Use a net to find the surface area of the prism.

1 answer:

lawyer [7]3 years ago

5 0

The surface area of the prism will be given by:
SA=2(L×W)+2(L×H)+2(H×W)
SA=2(12×5)+2(12×9)+2(5×9)
SA=120+216+90
SA=426m²

Answer: 426m²

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