clee07
clee07 clee07
  • 28-07-2017
  • Mathematics
contestada

first correct answer will get brainiest!

first correct answer will get brainiest class=

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choixongdong
choixongdong choixongdong
  • 28-07-2017
360/72 = 5

Area of circle = 25 pi
25pi / 5 = 5 pi

triangle = 1/2 bh = 1/2(2.9 + 2.9)(4) = 23.2 / 2 = 11.6

area of shaded = 5pi - 11.6

answer
A. first choice
(5pi - 11.6) ft^2
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