tyre2k17
tyre2k17 tyre2k17
  • 18-07-2017
  • Mathematics
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PLEASE HELP!! Find the surface area of each figure to the nearest tenth. Show your work.

PLEASE HELP Find the surface area of each figure to the nearest tenth Show your work class=

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Banabanana
Banabanana Banabanana
  • 18-07-2017
Surface area = 2(ab+bc+ac)
a=5.2 ft,  b=2.4 ft, c=3.5ft

Surface area = 2(5.2 * 2.4 + 2.4 * 3.5 + 3.5 * 5.2) =
                         2(12.48 + 8.4 + 18.2) = 
                         2 * 39.08 =
                         78.16 ≈ 78.2 ft²   ← to the nearest tenth
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