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Answer: CSet 1: Triangles (Intermediate)
Explanation
PROBLEM
Intriguingly, 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.
17
B.
13
C.✓ Correct
15
D.
12
Detailed Explanation
[Variation 2] Choice C is the best answer. c squared = 9 squared + 12 squared = 81 + 144 = 225. c = 15
Why others are wrong:
A: 17 is incorrect because it does not satisfy the equation.
B: 13 is incorrect because it does not satisfy the equation.
D: 12 is incorrect because it does not satisfy the equation.