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Alexus [3.1K]
3 years ago
14

Find the surface area of a square pyramid with a length of 5 cm and a slant height of 8cm.

Mathematics
1 answer:
Tems11 [23]3 years ago
8 0
Area of the square base = 5^2 = 25 cm^2
Area of one of the triangular side = 1/2 * 5 * 8 = 20 cm^2 and there are 4 sides
So the surface area  of while pyramid = 4 * 20 + 25 = 105 cm^2

Volume of the cone = (1/3) pi r^2 h
  = (1/3) pi * 5^2 * 8
  =  209.44  ft^2
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