Question

the side of rectangle are 3a sq + 6b and 4a sq +b find perimeter​

Answer 1

Step-by-step explanation:

$perimeter \: of \: the \: rectangle \: = 2 \times( l + b) \\ = 2 \times ( {3a}^{2} + 6b + {4a}^{2} + b) \\ = 2 \times ( {7a}^{2} + 7b) \\ = {14a }^{2} + 14b$

Answer 2

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