Question

Help with this problem

Answer 1

Hi!

The perimeter and area of these shapes are proportional, so let's cross multiply to solve this.


`(20)/(18.6) (28)/(x)`
18.6 · 28 = 520.8
520.8/20 = 26.04
Rounded to the nearest tenth: 26

The area is 26 cm²

Hope this helps! :)
-Peredhel
-Peredhel