Question

find the area of a rectangle box if it's perimeter is 44 m and the length is 15 m​

Answer 1

Perimeter of rectangle = 2 ( l + b ) = 44 m

Length = 15 m

2 ( l + b ) = 44 m

2 ( 15 m + b ) = 44 m

30 m + 2b = 44 m

2b = 44 m - 30 m

b = $\frac{14}{2}$ m

b = 7 m