David is making a model of a regular triangular prism. Calculate the surface area of the prism. __ inches squared

Chisty asked Oct 15, 2022

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44 votes

David is making a model of a regular triangular prism.

Calculate the surface area of the prism.
__ inches squared

Chisty asked Oct 15, 2022

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19 votes

108.18 inches squared

1/2(4.2 x 4.5) = 9.45
9.45 x 2 = 18.9

4.5 x 4.2 = 18.9

6.3 x 6.3 = 39.69
39.69 x 2 = 79.38

18.9 + 18.9 + 79.38 = 108.18

Uentee answered Oct 19, 2022

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