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luda_lava [24]
3 years ago
5

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?
Mathematics
1 answer:
NNADVOKAT [17]3 years ago
4 0

Answer:

  • 480 m²

Step-by-step explanation:

<u>Surface area, 4 faces only, excluding the area of the base:</u>

  • A = 4*(1/2*12*20) = 480 m²

<u>Total surface area, including the base:</u>

  • S = 480 + 12² = 624 m²
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