3
Answer: CSet 2: Triangles (Advanced)
Explanation
PROBLEM
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?
A.
13
B.
17
C.✓ Correct
16
D.
18
Detailed Explanation
Choice C 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.
D: 18 is incorrect because it does not satisfy the equation.