grandmawalks grandmawalks

22-07-2022
Mathematics

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Find the surface area of the pyramid. Round to the nearest tenth.

Find the surface area of the pyramid Round to the nearest tenth class=

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Medunno13 Medunno13

23-07-2022

Answer:

279

Step-by-step explanation:

The area of the square base is 9² = 81.

The area of each triangular face is (1/2)(9)(11)=99/2.

So, the total surface area is 4(99/2)+81=279

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