pilattiteresa1 pilattiteresa1
  • 11-01-2022
  • Mathematics
contestada

A rectangular pyramid has a base that is 12 meters long and 12 meters wide. The pyramid's slant height is 20 meters. What is its surface area?

Respuesta :

mhanifa
mhanifa mhanifa
  • 11-01-2022

Answer:

  • 480 m²

Step-by-step explanation:

Surface area, 4 faces only, excluding the area of the base:

  • A = 4*(1/2*12*20) = 480 m²

Total surface area, including the base:

  • S = 480 + 12² = 624 m²
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