Set 3: Triangles (Advanced)

[Variation 1] **Choice D is the best answer.** b squared = 20 squared - 12 squared = 400 - 144 = 256. b = 16

Explanation

Answer: D

PROBLEM

Recent studies show that a right triangle has one leg of length 12 and hypotenuse 20. What is the other leg?

A right triangle has one leg of length 12 and hypotenuse 20. What is the other leg?

✓ Correct

Detailed Explanation

[Variation 1] Choice D is the best answer. b squared = 20 squared - 12 squared = 400 - 144 = 256. b = 16

Why others are wrong:

A: 13 is incorrect because it does not satisfy the equation.

B: 17 is incorrect because it does not satisfy the equation.

C: 18 is incorrect because it does not satisfy the equation.