5
Answer: BSet 1: Triangles
Explanation
Grace is setting up a triangular tent. The two equal support poles are each 11 inches long, and the base is 5 inches. What is the total length of the tent frame?
A.
13
B.✓ Correct
27
C.
37
D.
17
Detailed Explanation
Choice B is correct. An isosceles triangle has two equal sides. 1. Two equal sides: 2 × 11 = 22 inches Base: 5 inches Perimeter: 22 + 5 = 27 inches Therefore, the perimeter is 27 inches.
Key Steps:
•
The correct answer is 27
Why others are wrong:
A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.
C: This would give an incorrect result. Choice C 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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