4
Answer: ASet 2: Triangles
Explanation
A triangular picture frame has sides measuring 17 inches and 10 inches. If the total perimeter is 51 inches, find the length of the third side.
A.✓ Correct
24
B.
34
C.
12
D.
14
Detailed Explanation
Choice A is correct. The perimeter of a triangle is the sum of all three sides. 1. Total perimeter: 51 inches Two known sides: 17 + 10 = 27 inches Third side: 51 - 27 = 24 inches Therefore, the third side is 24 inches.
Key Steps:
•
The correct answer is 24
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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