PLEASE HELP

Abby is making a model of a house. The front
piece of the roof is shown below.
What is the area of the front piece of the roof?
A 24 cm2
B 21 cm2
C 20 cm2
D 12 cm2

PLEASE HELP Abby is making a model of a house The front piece of the roof is shown below What is the area of the front piece of the roof A 24 cm2 B 21 cm2 C 20 class=