Mathematics
Mathematics, 19.03.2020 05:41, christianfoster17

A regular triangular pyramid has a base area of 31.5 mm2 and a surface area of

252 mm2. What is the lateral area of the regular triangular pyramid?

A. 220.5 mm2

B. 126 mm2

C. 283.5 mm2

D. 127.75 mm2

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A regular triangular pyramid has a base area of 31.5 mm2 and a surface area of

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