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The figure shows a rectangle. What is its perimeter?

Class 8Adding and Subtracting ExpressionsAlgebra

A $6 x + 12$
B $8 x + 12$
C $4 x + 6$
D $8 x + 6$

Step-by-Step Solution

Perimeter = 2(length + breadth) =

2 [(3 x + 2) + (x + 4)] = 2 (4 x + 6) = 8 x + 12.4 x + 6

is only half the perimeter.

Answer: B)

8 x + 12

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