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SAT® Subject Test in Math 1 & 2

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Moderate

45-45-90 Triangle

SATSTM-AJT5ZB

In a $45-45-90$ triangle, if the length of the hypotenuse is $10$, then what is the length of the other two sides of the triangle?

A

$5$

B

$10$

C

$20$

D

$5\sqrt{2}$

E

$2\sqrt{5}$