Question

Ladies and Gentlemen, please help me out.

Answer 1

I

`a = (( (1)/(2) * b * h) * 2) + ((4 * 9) * 3) \\ a = (( (1)/(2) * 4 * 3.5) * 2) + ((4 * 9) * 3) \\ a = (7 * 2) + (36 * 3) \\ a = 14 + 108 \\ a = 122`

the area of the triangular prism is 122 square inches.