pilattiteresa1 pilattiteresa1

11-01-2022
Mathematics

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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?

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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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