7
Answer: CSet 1: Triangles (Advanced)
Explanation
PROBLEM
A right triangle has one leg of length 3 and hypotenuse 5. What is the other leg?
A right triangle has one leg of length 3 and hypotenuse 5. What is the other leg?
A.
1
B.
7
C.✓ Correct
4
D.
6
Detailed Explanation
Choice C is the best answer. b squared = 5 squared - 3 squared = 25 - 9 = 16. b = 4
Why others are wrong:
A: 1 is incorrect because it does not satisfy the equation.
B: 7 is incorrect because it does not satisfy the equation.
D: 6 is incorrect because it does not satisfy the equation.