Question

The length of a rectangle is 8cm more than its width and the area is 80cm². Find the length, width and the perimeter.

Answer 1

8 cm more than the breadth. If the perimeter of the rectangle is 80 cm, then what is the area of the rectangle?
3 Answers
Frances Peikert
Frances Peikert, studied at Michigan State University
Answered Sep 9, 2019
let x = the width and x + 8 equal the length; then

2x + 2(x + 8) = 80 cm

4x + 16 = 80

4x + 64

x = 16; so length = 24 and width = 16

area = length times width or 24 x 16 = 384 cm^2 if my mental math is correct.
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