3
Answer: DSet 3: Triangles (Intermediate)
Explanation
PROBLEM
Intriguingly, a right triangle has legs of length 3 and 4. What is the length of the hypotenuse?
A right triangle has legs of length 3 and 4. What is the length of the hypotenuse?
A.
3
B.
7
C.
8
D.✓ Correct
5
Detailed Explanation
[Variation 2] Choice D is the best answer. c squared = 3 squared + 4 squared = 9 + 16 = 25. c = 5
Why others are wrong:
A: 3 is incorrect because it does not satisfy the equation.
B: 7 is incorrect because it does not satisfy the equation.
C: 8 is incorrect because it does not satisfy the equation.