Question

area of rectangle is 12 square meters and it's length is 3m.What is the perimeter of the rectangle​

Answer 1

Step-by-step explanation:

area of rectangle =

$l \times b = 12 \\ 3 \times b = 12 \\ b = \frac{12}{3} = 4 \\ perimeter = 2(l + b) = 2(3 + 4) \\ = 2(7) = 14m$