Question

7cm
10cm
4cm
The area of the compound shape is 106cm.
work out the size of x.​

Answer 1

Answer: 9cm

Step-by-step explanation:

$7x10=70cmx^{2}$

4(x)=4x

1.) 70+4x=106 (subtract 70 on both sides)

2.)4x=36 (divide 4 on both sides)

3.)x=9

Answer 2

answer=9

7x10=70cmxsquare

4(x)=4x

70+4x=106

4x=36

x=36/4

x=9