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6 October, 21:35

Find the surface area of a conical grain storage tank that has a height of 43 meters and a diameter of 14 meters. Round the answer to the nearest square meter.

A. 959 m2

B. 1,113 m2

C. 2,072 m2

D. 2,533 m2

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Answers (1)
  1. 6 October, 22:01
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    A = a'base + a'lateral = / pi*r^2 + / pi*r*g

    g = (h^2 + r^2) ^1/2

    g = 43.57

    a = / pi * (4) ^2 + / pi*7*43.57

    a = 1008.41

    a ≈ 1.113

    B.
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