5

Set 1: Triangles

Explanation

Answer: B

Henry is setting up a triangular tent. The two equal support poles are each 7 inches long, and the base is 10 inches. What is the total length of the tent frame?

A.

12

B.

24

✓ Correct
C.

14

D.

34

Detailed Explanation

Choice B is correct. An isosceles triangle has two equal sides. 1. Two equal sides: 2 × 7 = 14 inches Base: 10 inches Perimeter: 14 + 10 = 24 inches Therefore, the perimeter is 24 inches.

Key Steps:

The correct answer is 24

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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