8
Answer: ASet 1: Triangles (Advanced)
Explanation
PROBLEM
A right triangle has legs of length 9 and 12. What is the length of the hypotenuse?
A right triangle has legs of length 9 and 12. What is the length of the hypotenuse?
A.✓ Correct
15
B.
16
C.
14
D.
13
Detailed Explanation
Choice A is the best answer. c squared = 9 squared + 12 squared = 81 + 144 = 225. c = 15
Why others are wrong:
B: 16 is incorrect because it does not satisfy the equation.
C: 14 is incorrect because it does not satisfy the equation.
D: 13 is incorrect because it does not satisfy the equation.