10
Answer: ASet 5: Triangles
Explanation
Charlotte is setting up a triangular tent. The two equal support poles are each 11 yards long, and the base is 8 yards. What is the total length of the tent frame?
A.✓ Correct
30
B.
15
C.
40
D.
20
Detailed Explanation
Choice A is correct. An isosceles triangle has two equal sides. 1. Two equal sides: 2 × 11 = 22 yards Base: 8 yards Perimeter: 22 + 8 = 30 yards Therefore, the perimeter is 30 yards.
Key Steps:
•
The correct answer is 30
Why others are wrong:
B: This would give an incorrect result. Choice B 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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