Set 2: Triangles (Advanced)

**Choice A is the best answer.** b squared = 13 squared - 5 squared = 169 - 25 = 144. b = 12

Explanation

Answer: A

PROBLEM

A right triangle has one leg of length 5 and hypotenuse 13. What is the other leg?

A.

12

✓ Correct

B.

11

C.

14

D.

15

Detailed Explanation

Choice A is the best answer. b squared = 13 squared - 5 squared = 169 - 25 = 144. b = 12

Why others are wrong:

B: 11 is incorrect because it does not satisfy the equation.

C: 14 is incorrect because it does not satisfy the equation.

D: 15 is incorrect because it does not satisfy the equation.