4
Answer: BSet 4: Triangles (Intermediate)
Explanation
PROBLEM
Intriguingly, a right triangle has legs of length 8 and 15. What is the length of the hypotenuse?
A right triangle has legs of length 8 and 15. What is the length of the hypotenuse?
A.
18
B.✓ Correct
17
C.
16
D.
15
Detailed Explanation
[Variation 2] Choice B is the best answer. c squared = 8 squared + 15 squared = 64 + 225 = 289. c = 17
Why others are wrong:
A: 18 is incorrect because it does not satisfy the equation.
C: 16 is incorrect because it does not satisfy the equation.
D: 15 is incorrect because it does not satisfy the equation.