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Mathematics

1 answer:

Dvinal [7]3 years ago

8 0

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

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

area of figure = 5π - 11.6

answer
A. (5π - 11.6 ) ft^2

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