5272道题目5525 条题源记录 · 相同内容已合并
直线・角与多边形挑战
In the figure shown, line c intersects parallel lines s and t. What is the value of x ?

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直线・角与多边形进阶
In the figure, line m is parallel to line n, and line t intersects both lines. What is the value of x ?

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直线・角与多边形进阶
In the figure shown, line m is parallel to line n. What is the value of x ?

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直线・角与多边形挑战
A circle has center O, and points R and S lie on the circle. In triangle ORS, the measure of ∠ROS is 88°. What is the measure of ∠RSO, in degrees?
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直线・角与多边形挑战
In the figure, lines m and n are parallel. If x = 6k + 13 and y = 8k − 29, what is the value of z ?

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相似・全等与比例线段进阶
For the triangles shown, triangle ABC is dilated by a scale factor of 3 to obtain triangle XYZ, where d=16. what is the measure. in degrees, of angle X ?
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相似・全等与比例线段进阶
Each side of square A has a length of 13 inches. Each side of square A is multiplied by a scale factor of 3 to create square B. What is the length, in inches, of each side of square B?
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相似・全等与比例线段挑战
In triangle ABC and triangle DEF, sides AB and DE each have a side length of 10 inches, and angles A and D each have an angle measure of 40°. Which of the following additional pieces of information is(are) sufficient to prove whether triangle ABC is congruent to triangle DEF?
I. The measures of angles B and C are equal.
II. The lengths of sides AC and DF are equal
III.The lengths of sides BC and EF are equal.
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相似・全等与比例线段挑战

In the figure, \( LQ \) intersects \( MP \) at point R, and \( LM \) is parallel to \( PQ \) . The lengths of \( MR \) and \( RP \) are 9 and 17 units, respectively. The area of \( \triangle LMR \) is 45 square units. What is the area of \( \triangle PQR \), in square units?
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相似・全等与比例线段挑战
The table gives the areas and perimeters of two similar rectangles, where n is a constant.

What is the value of n?
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相似・全等与比例线段挑战
Quadrilateral ABCD is a square with diagonal \( AC \) , where AC= 13.Which of the following statements is true?
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相似・全等与比例线段挑战
The table gives the areas and perimeters of two similar rectangles, where n is a constant.

What is the value of n?
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