5
Answer: BSet 4: Triangles (Intermediate)
Explanation
PROBLEM
Intriguingly, a right triangle has legs of length 12 and 16. What is the length of the hypotenuse?
A right triangle has legs of length 12 and 16. What is the length of the hypotenuse?
A.
19
B.✓ Correct
20
C.
23
D.
18
Detailed Explanation
[Variation 2] Choice B is the best answer. c squared = 12 squared + 16 squared = 144 + 256 = 400. c = 20
Why others are wrong:
A: 19 is incorrect because it does not satisfy the equation.
C: 23 is incorrect because it does not satisfy the equation.
D: 18 is incorrect because it does not satisfy the equation.