配套习题- 勾股定理及其证明 -【青果学院】

1/5单选题

难度：

1.在Rt△ABC中，∠C=90°，有两边长为6，8，则第三边长为（）

A	10
B
C
D

正确答案：Qw==

PGRpdj7op6PvvJrlvZM45piv5pac6L655pe277yM56ys5LiJ6L656ZW/77yaPGltZyB3aWR0aD05NyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yMy81MS9yQkFDRTFNTVZwS2hnWndqQUFBQ1cydkotTDA1MDEucG5nIj47PC9kaXY+PGRpdj7lvZPnrKzkuInovrnmmK/mlpzovrnml7bvvIznrKzkuInovrnplb/vvJo8aW1nIHdpZHRoPTg4IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzAwLzYzL3JCQUNGRk1NVnBQQUthU0xBQUFDT1hHT1laSTU0OC5wbmciPjwvZGl2Pg==

2/5单选题

难度：

2.在△ABC中，AB=13cm，AC=15cm，高AD=12cm，则BC的长为（）cm

A	14或4
B	4或5
C	14或5
D	13或4

正确答案：QQ==

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

3/5单选题

难度：

3.两边长分别为3和5的直角三角形的第三边长为（）

A	4
B
C
D	34或4

正确答案：Qw==

PGRpdj7op6PvvJrlvZM15piv5pac6L655pe277yM56ys5LiJ6L656ZW/5Li6NO+8jDwvZGl2PjxkaXY+5b2T56ys5LiJ6L655piv5pac6L655pe277yM56ys5LiJ6L656ZW/77yaPGltZyB3aWR0aD05NyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yMy81Mi9yQkFDRTFNTVZwcnlJTzBSQUFBQ1NuWnRiRWMyNjkucG5nIj48L2Rpdj4=

4/5单选题

难度：

4.

如图，所有的四边形都是正方形，所有的三角形都是直角三角形，其中最大的正方形的边长为10cm，正方形的边长为6cm，正方形B的边长为5cm，正方形C的边长为5cm，则正方形D的面积是（）cm²

A	14
B	10
C	11
D	20

正确答案：QQ==

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

5/5单选题

难度：

5.在Rt△ABC中，a=4，b=3，则c=（）

A
B	5
C	5或7
D	7

正确答案：QQ==

PGRpdj7op6PvvJrvvIgx77yJ6IulY+aYr+aWnOi+ue+8jOeUseWLvuiCoeWumueQhu+8jDxpbWcgd2lkdGg9MTE5IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzAwLzYzL3JCQUNGRk1NVnFPQmVsa3RBQUFDYTFURUZrQTk4NS5wbmciPu+8mzwvZGl2PjxkaXY+77yIMu+8ieiLpWHmmK/mlpzovrnvvIznlLHli77ogqHlrprnkIbvvIw8aW1nIHdpZHRoPTEzMCBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8yMy81Mi9yQkFDRTFNTVZxU3hsRXJNQUFBQ2ZnTjRmbG8wMTYucG5nIj48L2Rpdj4=