5272道题目5525 条题源记录 · 相同内容已合并
相似・全等与比例线段进阶
The table gives the perimeters of similar triangles TUV and XYZ, where \( TU \) corresponds to \( XY \). The length of \( TU \) is 18.

What is the length of \( XY \) ?
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相似・全等与比例线段挑战
Quadrilateral P'Q'R'S' is similar to quadrilateral PQRS, where P, Q, R, and S correspond to P', Q', R', and S', respectively. The measure of angle P is 30°, the measure of angle Q is 50°, and the measure of angle R is 70°. The length of each side of P'Q'R'S' is 3 times the length of each corresponding side of PQRS. What is the measure of angle P '?
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相似・全等与比例线段进阶
In triangle \( ABC \), \( AB=4,680 \)millimeters (mm) and \( BC=4,680 \)mm. Which statement is sufficient to prove that triangle \( ABC \)is equilateral?
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相似・全等与比例线段挑战

In the figure above, \( BD \) is parallel to \( AE \). What is the length of \( CE \)?
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相似・全等与比例线段进阶
Right triangles LMN and PQR are similar, where L and M correspond to P and Q, respectively. Angle M has a measure of 53°. What is the measure of angle Q ?
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相似・全等与比例线段进阶
Right triangles PQR and STU are similar, where P corresponds to S. If the measure of angle Q is 18°, what is the measure of angle S ?

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直角三角形・勾股与高进阶

In the right triangle shown, what is the value of a?
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直角三角形・勾股与高挑战
A right triangle has sides of length 4\( \sqrt{2} \), 10\( \sqrt{2} \), and \( \sqrt{232} \) units. What is the area of the triangle, in square units?
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直角三角形・勾股与高挑战
The perimeter of an isosceles right triangle is\( 94+94\sqrt{2} \)inches. What is the length, in inches, of the hypotenuse of this triangle?
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直角三角形・勾股与高挑战

The lengths of the legs of a right triangle are shown. Which of the following is closest to the length of the triangle's hypotenuse?
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直角三角形・勾股与高挑战
The perimeter of an isosceles right triangle is \( 28+28\sqrt{2} \) inches. What is the length, in inches, of the hypotenuse of this triangle?
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直角三角形・勾股与高挑战
In triangle \( ABC \), angle \( B \) is a right angle. The length of side \( AB \) is \( 10\sqrt{39} \) and the length of side \( BC \) is \( 24\sqrt{39} \). What is the length of side \( AC \)?
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