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This is hard I need help

This is hard I need help-example-1
User NOCARRIER
by
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1 Answer

4 votes

Answer:

  • 140.22 ft²

Explanation:

Surface area is the sum of areas of 4 triangles.

Each triangle has:

  • b = 9 ft, h = 7.79 ft

Area of each triangle:

  • A = 1/2bh
  • A = 1/2*9*7.79 = 35.055 ft²

Surface area:

  • S = 4*35.055 = 140.22 ft²
User Gerlando
by
5.4k points