Question

Find the surface area of a prism with 9 height, 12 width, and 7 length

Answer 1

A~363

Explanation:

Surface Area =

[(Length x Width) + (Length x Height) + (Width x Height)] x 2

(7x12)+(7x9)+(12x9)x2

84+63+108x2=363

A~363

hope this helps, have a good day :-)

Answer 2

510

Explanation:

surface area= 2lw+2lh+2hw

sa= 2*7*12+2*7*9+2*9*12

sa= 510