alleryStart learning →A triangle has sides x, x + 2 and 2x - 1. Its perimeter is
A4x + 3
B4x + 1
C3x + 1
D4x - 1
Answer & Solution
Correct answer: B. 4x + 1
Add x + (x + 2) + (2x - 1) = 4x + 1.
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