Respuesta :

1.) X= 4m - 1.2m = 2.8m

Split the irregular shape into 2 (A and B)

A= 4m x 3.8m = 15.2m^2

B= 3m x 2.8m = 8.4m^2

2.) Total area = A + B
= 15.2 + 8.4 = 23.6m^2