Respuesta :

alaixa
Find both triangular areas:

1/2bh

1/2(2.5 • 15) = 37.5

18.75 • 2 = 37.5ft²

Now find the rectangular area:

a = bh

20 • 15 = 300ft²

Now add them together:

300 + 37.5 = 337.5ft²