Calculate the surface area of this triangular prism.

A right triangular prism is shown. The right triangular face has base of twelve meters, height of nine meters, and hypotenuse of fifteen meters. The height of the prism is ten meters.

two hundred fifty-five square meters

three hundred sixty square meters

four hundred sixty-eight square meters

four hundred ninety-five square meters

Question

Calculate the surface area of this triangular prism.

A right triangular prism is shown. The right triangular face has base of twelve meters, height of nine meters, and hypotenuse of fifteen meters. The height of the prism is ten meters.

 two hundred fifty-five square meters

 three hundred sixty square meters

 four hundred sixty-eight square meters

 four hundred ninety-five square meters

anonymous · Answer

attachment

anonymous · Answer

How many surfaces do you see? You already know the are of two of those.

anonymous · Answer

I see five, right? @rkopen

anonymous · Answer

right - 3 of them are rectangular and 2 are the base triangles that have equal areas.

anonymous · Answer

You have all the sides for all the rectangles. You should be able to calculate them easily.

anonymous · Answer

SA = wh + lw + lh + ls answer:468