Question

Find surface area of the prism. please help with explanation. thanks so much.

Answer 1

Explanation:

surface area of cuboid=2(lb+bh+hl_

=2(7*4+4*5+5*7)

=2(28+20+35)

=2*83

=166 mm^2

Given figure is cuboid so use surface area of cuboid formula.

Answer 2

You would take the sides and multiply them all, and you should get 140. Hope this helps!