The edges of a triangular homesite have lengths of 3x

Name: The edges of a triangular homesite have lengths of 3x - 2, x, and x + 1. Write an expression for the perimeter of the property. A) 4x - 1 B) 5x - 1 C) 6x - 1 D) 5x - 3
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Question

The edges of a triangular homesite have lengths of 3x - 2, x, and x + 1. Write an expression for the perimeter of the property.
A) 4x - 1
B) 5x - 1
C) 6x - 1
D) 5x - 3

Quizplus · Accepted Answer

Perimeter is the sum of all three sides. So, 
perimeter = (3x - 2) + x + (x + 1) 
= 5x - 1. 
Thus, the answer is B.