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Find the surface area of the equilateral triangular pyramid.

Find the surface area of the equilateral triangular pyramid.-example-1
User Pyko
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the answer is 228. hoped this helped

User Silvia Zulinka
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area  = 3 * 1/2 * 10 * 12 + 1/2 * 12 * 8  =  180 + 48 = 228 answer
User Ansley
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