2
Answer: BSet 2: Triangles
Explanation
A triangular running track has one side of 14 centimeters and another of 17 centimeters. If one complete lap is 44 centimeters, what is the length of the third side?
A.
23
B.✓ Correct
13
C.
3
D.
6
Detailed Explanation
Choice B is correct. The perimeter of a triangle is the sum of all three sides. 1. Total perimeter: 44 centimeters Two known sides: 14 + 17 = 31 centimeters Third side: 44 - 31 = 13 centimeters Therefore, the third side is 13 centimeters.
Key Steps:
•
The correct answer is 13
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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