Respuesta :

Area of circle = πr^2 = 25π (r = 5)
72 degrees is 1/5 of circle
so 25
π / 5 = 5π

area of triangle = 1/2 bh
area of triangle = 1/2(5.8)(4)
area of triangle = 11.6

area of figure = 5
π - 11.6 

answer
A. (
5π - 11.6 ) ft^2