10
Answer: ASet 1: Triangles (Intermediate)
Explanation
PROBLEM
An isosceles triangle has two equal sides of 12 and a base of 7. What is its perimeter?
An isosceles triangle has two equal sides of 12 and a base of 7. What is its perimeter?
A.✓ Correct
31
B.
34
C.
28
D.
32
Detailed Explanation
Choice A is the best answer. Perimeter = 12 + 12 + 7 = 31
Why others are wrong:
B: 34 is incorrect because it does not satisfy the equation.
C: 28 is incorrect because it does not satisfy the equation.
D: 32 is incorrect because it does not satisfy the equation.
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