Respuesta :

75 mi^2

area of a triangle = 1/2 (L • W)

[1/2 (10mi • 5 mi)] • 2 = 50 mi^2

[1/2 (5mi • 5 mi)] • 2 = 25 mi^2

50 mi^2 + 25 mi^2 = 75 mi^2