📋 المحتوى المنظم
📖 محتوى تعليمي مفصّل
المثال 5
نوع: محتوى تعليمي
المثال 5
6
نوع: QUESTION_HOMEWORK
6) في J، إذا كان: GH = 9, KL = 4x + 1، فأوجد قيمة x.
تدرب وحل المسائل
نوع: محتوى تعليمي
تدرب وحل المسائل
المثالان 1, 2
نوع: محتوى تعليمي
المثالان 1, 2 جبر: أوجد قيمة x في كل مما يأتي:
7
نوع: QUESTION_HOMEWORK
7)
8
نوع: QUESTION_HOMEWORK
8)
9
نوع: QUESTION_HOMEWORK
9)
10
نوع: QUESTION_HOMEWORK
10)
11
نوع: QUESTION_HOMEWORK
11) OP ≅ OQ
المثالان 3, 4
نوع: محتوى تعليمي
المثالان 3, 4
نوع: QUESTION_HOMEWORK
إذا كان طول نصف قطر A يساوي 14 و 22 = CD ، فأوجد القياسين الآتيين مقربًا إجابتك إلى أقرب جزء من مئة، إذا لزم ذلك.
نوع: QUESTION_HOMEWORK
إذا كان طول قطر H يساوي 18 و 12 = LM ، و 84° = mLM ، فأوجد القياسين الآتيين مقربًا إجابتك إلى أقرب جزء من مئة، إذا لزم ذلك.
الربط مع الحياة
نوع: محتوى تعليمي
الربط مع الحياة في مناطق التزلج، يتم تثبيت سكة تمكن المتزلجين من القيام بحركات بهلوانية.
16
نوع: QUESTION_HOMEWORK
16) تزلج: سكة التزلج في الشكل المجاور تأخذ شكل قوس من دائرة، حيث BD جزء من قطرها. إذا كان قياس ABC يساوي 32% من الدائرة الكاملة، فأوجد mAB؟
17
نوع: QUESTION_HOMEWORK
17) طرق: الحافة الخارجية للطريق المنحنية المبينة في الشكل المجاور جزء من C التي نصف قطرها 88ft. أوجد AB مقربًا إجابتك إلى أقرب عشر.
نوع: METADATA
198 الفصل 8 الدائرة
🔍 عناصر مرئية
A circle with center J. Two chords, GH and KL, are drawn within the circle. A segment from J is perpendicular to GH, and its length is labeled as 5 units. Another segment from J is perpendicular to KL, and its length is also labeled as 5 units. This indicates that chords GH and KL are equidistant from the center J. The problem states GH = 9 and KL = 4x + 1.
A circle containing two parallel chords, AB and CD. The length of chord AB is 7 units. The length of chord CD is 7 units. This implies the chords are congruent. The measure of arc AB is 105°. The measure of arc ED is 5x°.
A circle with two chords, LM and NP. Tick marks on chords LM and NP indicate that they are congruent. The measure of arc LP is 106°. The measure of arc NM is x°.
A circle with two chords, WZ and YZ. The length of chord WZ is 18 units. The length of chord YZ is 18 units. This implies the chords are congruent. The measure of arc WY is 143°. The measure of arc YZ is (2x-1)°.
A circle with two chords, AB and BC. The measure of arc AB is 85°. The measure of arc BC is 85°. This implies the arcs are congruent. The length of chord AB is 5x-1. The length of chord BC is 4x+3.
Two circles, labeled P and Q. Circle P has a chord RS. The measure of arc RS is 155°. The length of chord RS is 3x. Circle Q has a chord TU. The measure of arc TU is 205°. The length of chord TU is 7x-44. The text 'OP ≅ OQ' is given, which implies that the circles are congruent or that the chords are equidistant from the center in congruent circles. Given the context, it's likely that the circles are congruent, and the chords are equidistant from their respective centers.
A circle with center A. A chord CD is drawn. A segment AE is drawn from the center A to the chord CD, and it is perpendicular to CD, indicated by a right angle symbol at E. Point B is on the circle, and it appears to be the endpoint of a radius passing through E. The radius of circle A is 14 units. The length of chord CD is 22 units.
A circle with center H. A chord LM is drawn. A segment HP is drawn from the center H to the chord LM, and it is perpendicular to LM, indicated by a right angle symbol at P. Point K is on the circle. The diameter of circle H is 18 units. The length of chord LM is 12 units. The measure of arc LM is 84°.
A diagram showing a ski rail as a circular arc labeled ABC. A horizontal chord AC connects the ends of the arc. A vertical segment BD is drawn from point B on the arc to point D on the chord AC. BD is stated to be part of the diameter, implying it passes through the center and is perpendicular to AC. The measure of arc ABC is 32% of the full circle.
A diagram showing a curved road section. The outer edge of the road is represented by a circular arc labeled AB. A segment DE is drawn, where E is the center of the circle and D is on the chord connecting A and B. The segment DE is perpendicular to the chord AB, indicated by a right angle symbol at D. The length of DE is 15 ft. The radius of the circle is given as 88 ft in the question.
📄 النص الكامل للصفحة
--- SECTION: المثال 5 ---
المثال 5
--- SECTION: 6 ---
6) في J، إذا كان: GH = 9, KL = 4x + 1، فأوجد قيمة x.
--- SECTION: تدرب وحل المسائل ---
تدرب وحل المسائل
--- SECTION: المثالان 1, 2 ---
المثالان 1, 2 جبر: أوجد قيمة x في كل مما يأتي:
--- SECTION: 7 ---
7)
--- SECTION: 8 ---
8)
--- SECTION: 9 ---
9)
--- SECTION: 10 ---
10)
--- SECTION: 11 ---
11) OP ≅ OQ
--- SECTION: المثالان 3, 4 ---
المثالان 3, 4
إذا كان طول نصف قطر A يساوي 14 و 22 = CD ، فأوجد القياسين الآتيين مقربًا إجابتك إلى أقرب جزء من مئة، إذا لزم ذلك.
12. CE
13. EB
إذا كان طول قطر H يساوي 18 و 12 = LM ، و 84° = mLM ، فأوجد القياسين الآتيين مقربًا إجابتك إلى أقرب جزء من مئة، إذا لزم ذلك.
14. mLK
15. HP
--- SECTION: الربط مع الحياة ---
الربط مع الحياة في مناطق التزلج، يتم تثبيت سكة تمكن المتزلجين من القيام بحركات بهلوانية.
--- SECTION: 16 ---
16) تزلج: سكة التزلج في الشكل المجاور تأخذ شكل قوس من دائرة، حيث BD جزء من قطرها. إذا كان قياس ABC يساوي 32% من الدائرة الكاملة، فأوجد mAB؟
--- SECTION: 17 ---
17) طرق: الحافة الخارجية للطريق المنحنية المبينة في الشكل المجاور جزء من C التي نصف قطرها 88ft. أوجد AB مقربًا إجابتك إلى أقرب عشر.
198 الفصل 8 الدائرة
--- VISUAL CONTEXT ---
**DIAGRAM**: Untitled
Description: A circle with center J. Two chords, GH and KL, are drawn within the circle. A segment from J is perpendicular to GH, and its length is labeled as 5 units. Another segment from J is perpendicular to KL, and its length is also labeled as 5 units. This indicates that chords GH and KL are equidistant from the center J. The problem states GH = 9 and KL = 4x + 1.
Data: Perpendicular distance from J to GH is 5. Perpendicular distance from J to KL is 5. Length of chord GH is 9. Length of chord KL is 4x + 1.
Key Values: Distance from J to GH = 5, Distance from J to KL = 5, GH = 9, KL = 4x + 1
Context: This diagram illustrates the relationship between chords and their distance from the center of a circle. Chords equidistant from the center are congruent.
**DIAGRAM**: Untitled
Description: A circle containing two parallel chords, AB and CD. The length of chord AB is 7 units. The length of chord CD is 7 units. This implies the chords are congruent. The measure of arc AB is 105°. The measure of arc ED is 5x°.
Data: Length of AB = 7. Length of CD = 7. Measure of arc AB = 105°. Measure of arc ED = 5x°.
Key Values: AB = 7, CD = 7, m(arc AB) = 105°, m(arc ED) = 5x°
Context: This diagram relates congruent chords to their corresponding arcs and distances from the center. Congruent chords subtend congruent arcs.
**DIAGRAM**: Untitled
Description: A circle with two chords, LM and NP. Tick marks on chords LM and NP indicate that they are congruent. The measure of arc LP is 106°. The measure of arc NM is x°.
Data: Chords LM and NP are congruent. Measure of arc LP = 106°. Measure of arc NM = x°.
Key Values: LM ≅ NP, m(arc LP) = 106°, m(arc NM) = x°
Context: This diagram illustrates that congruent chords subtend congruent arcs.
**DIAGRAM**: Untitled
Description: A circle with two chords, WZ and YZ. The length of chord WZ is 18 units. The length of chord YZ is 18 units. This implies the chords are congruent. The measure of arc WY is 143°. The measure of arc YZ is (2x-1)°.
Data: Length of WZ = 18. Length of YZ = 18. Measure of arc WY = 143°. Measure of arc YZ = (2x-1)°.
Key Values: WZ = 18, YZ = 18, m(arc WY) = 143°, m(arc YZ) = (2x-1)°
Context: This diagram illustrates that congruent chords subtend congruent arcs.
**DIAGRAM**: Untitled
Description: A circle with two chords, AB and BC. The measure of arc AB is 85°. The measure of arc BC is 85°. This implies the arcs are congruent. The length of chord AB is 5x-1. The length of chord BC is 4x+3.
Data: Measure of arc AB = 85°. Measure of arc BC = 85°. Length of AB = 5x-1. Length of BC = 4x+3.
Key Values: m(arc AB) = 85°, m(arc BC) = 85°, AB = 5x-1, BC = 4x+3
Context: This diagram illustrates that congruent arcs subtend congruent chords.
**DIAGRAM**: Untitled
Description: Two circles, labeled P and Q. Circle P has a chord RS. The measure of arc RS is 155°. The length of chord RS is 3x. Circle Q has a chord TU. The measure of arc TU is 205°. The length of chord TU is 7x-44. The text 'OP ≅ OQ' is given, which implies that the circles are congruent or that the chords are equidistant from the center in congruent circles. Given the context, it's likely that the circles are congruent, and the chords are equidistant from their respective centers.
Data: In Circle P: m(arc RS) = 155°, RS = 3x. In Circle Q: m(arc TU) = 205°, TU = 7x-44. The statement OP ≅ OQ is given, implying congruence of circles or chords.
Key Values: m(arc RS) = 155°, RS = 3x, m(arc TU) = 205°, TU = 7x-44, OP ≅ OQ
Context: This diagram relates chords and arcs in potentially congruent circles. If circles are congruent, then congruent chords subtend congruent arcs, and vice versa.
**DIAGRAM**: Untitled
Description: A circle with center A. A chord CD is drawn. A segment AE is drawn from the center A to the chord CD, and it is perpendicular to CD, indicated by a right angle symbol at E. Point B is on the circle, and it appears to be the endpoint of a radius passing through E. The radius of circle A is 14 units. The length of chord CD is 22 units.
Data: Radius of circle A = 14. Length of chord CD = 22. Segment AE is perpendicular to CD.
Key Values: Radius = 14, CD = 22, AE ⊥ CD
Context: This diagram illustrates the property that a radius (or any segment from the center) perpendicular to a chord bisects the chord. It also involves the Pythagorean theorem to find lengths within the right triangle formed.
**DIAGRAM**: Untitled
Description: A circle with center H. A chord LM is drawn. A segment HP is drawn from the center H to the chord LM, and it is perpendicular to LM, indicated by a right angle symbol at P. Point K is on the circle. The diameter of circle H is 18 units. The length of chord LM is 12 units. The measure of arc LM is 84°.
Data: Diameter of circle H = 18. Length of chord LM = 12. Measure of arc LM = 84°. Segment HP is perpendicular to LM.
Key Values: Diameter = 18, LM = 12, m(arc LM) = 84°, HP ⊥ LM
Context: This diagram illustrates the property that a radius (or any segment from the center) perpendicular to a chord bisects the chord and its corresponding arc. It also involves the Pythagorean theorem and relationships between central angles and arcs.
**DIAGRAM**: Untitled
Description: A diagram showing a ski rail as a circular arc labeled ABC. A horizontal chord AC connects the ends of the arc. A vertical segment BD is drawn from point B on the arc to point D on the chord AC. BD is stated to be part of the diameter, implying it passes through the center and is perpendicular to AC. The measure of arc ABC is 32% of the full circle.
Data: BD is part of the diameter. Measure of arc ABC = 32% of the full circle.
Key Values: BD is part of diameter, m(arc ABC) = 32% of 360°
Context: This diagram applies properties of circles, arcs, and diameters to a real-world scenario. A diameter perpendicular to a chord bisects the chord and its arc.
**DIAGRAM**: Untitled
Description: A diagram showing a curved road section. The outer edge of the road is represented by a circular arc labeled AB. A segment DE is drawn, where E is the center of the circle and D is on the chord connecting A and B. The segment DE is perpendicular to the chord AB, indicated by a right angle symbol at D. The length of DE is 15 ft. The radius of the circle is given as 88 ft in the question.
Data: Length of DE = 15 ft. Radius of the circle = 88 ft. Segment DE is perpendicular to the chord connecting A and B.
Key Values: DE = 15 ft, Radius = 88 ft, DE ⊥ chord AB
Context: This diagram applies properties of circles, chords, and radii to a real-world road design problem. A radius perpendicular to a chord bisects the chord, forming a right triangle that can be solved using the Pythagorean theorem.