10
Answer: CSet 2: Triangles
Explanation
Lily is setting up a triangular tent. The two equal support poles are each 16 meters long, and the base is 15 meters. What is the total length of the tent frame?
A.
23
B.
37
C.✓ Correct
47
D.
57
Detailed Explanation
Choice C is correct. An isosceles triangle has two equal sides. 1. Two equal sides: 2 × 16 = 32 meters Base: 15 meters Perimeter: 32 + 15 = 47 meters Therefore, the perimeter is 47 meters.
Key Steps:
•
The correct answer is 47
Why others are wrong:
A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.
B: This would give an incorrect result. Choice B is incorrect and may result from a calculation error.
D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.
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