Question

Help me Plzzz.If you know the answer.

Answer 1

The answer should be 20m^2

Answer 2

`(1)/(2) * 2 * 4 = \: \: \: \: \: \: 4 {m}^(2) \\ 8 * 2 \: \: \: \: \: \: \: \: \: \: \: \: = + 16 {m}^(2) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 20 {m}^(2)`