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A square pyramid has a base length of 6 inches. The height of each triangular face is 11 inches. Which expressions correctly calculate the surface area of the pyramid

Respuesta :

mhanifa

Answer:

  • 168 in²

Step-by-step explanation:

It has 5 faces- one square with side of 6 in and 4 triangles with base of 6 in and height of 11 in.

Total surface area is:

  • A = a² + 4*1/2*a*h
  • A = a(a + 2h)
  • A = 6(6 + 2*11)
  • A = 6(28)
  • A = 168 in²

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