Question

Find the value of x in these shapes with the given perimeter. ​

Answer 1

A: x=1cm

B: x=2.1cm

C: x=7km

36/4=8

Each side must equal 8cm

8-7=1

x=1

2x + x =3x

3x x 2 = 6x

12.6/6=2.1cm

3x+5x+4x=12x

84/12=7

x=7