10
Answer: ASet 3: Triangles (Advanced)
Explanation
PROBLEM
A right triangle has one leg of length 15 and hypotenuse 25. What is the other leg?
A right triangle has one leg of length 15 and hypotenuse 25. What is the other leg?
A.✓ Correct
20
B.
21
C.
17
D.
22
Detailed Explanation
Choice A is the best answer. b squared = 25 squared - 15 squared = 625 - 225 = 400. b = 20
Why others are wrong:
B: 21 is incorrect because it does not satisfy the equation.
C: 17 is incorrect because it does not satisfy the equation.
D: 22 is incorrect because it does not satisfy the equation.
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