1
Answer: CSet 3: Triangles
Explanation
Benjamin is setting up a triangular tent. The two equal support poles are each 6 kilometers long, and the base is 6 kilometers. What is the total length of the tent frame?
A.
28
B.
8
C.✓ Correct
18
D.
9
Detailed Explanation
Choice C is correct. An isosceles triangle has two equal sides. 1. Two equal sides: 2 × 6 = 12 kilometers Base: 6 kilometers Perimeter: 12 + 6 = 18 kilometers Therefore, the perimeter is 18 kilometers.
Key Steps:
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The correct answer is 18
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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