Mathematics, 17.05.2021 16:40 ethan5738

A triangular pyramid has a base with an area of 21.8 square meters, and lateral faces with bases of 7.1 meters and heights of 9 meters. Enter an expression that can be used to find the surface area of the triangular pyramid.

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A triangular pyramid has a base with an area of 21.8 square meters, and lateral faces with bases of...