Question

A rectangle has the length of 2x+7 and the width of 9x find the area and the perimeter

Answer 1

see explaination

Explanation:

length (l) = 2x+7

width (b) = 9x

area of rectangle = l×b

=(2x+7)(9x)

=18x^2+63x

perimeter of rectangle = 2(l+b)

=2(2x+7)(9x)

=2(18x^2+63x)

=36x^2+126x