Question

Find the surface area of a rectangular prism with base 4 m by 5 m and height 8 m.

Answer 1

Answer:

184

Step-by-step explanation:

A=2(wl+hl+hw)

plug in the numbers into the formula

Answer 2

Answer:

Step-by-step explanation:

surface area=area of sides +area of top and bottom

=2(4+5)×8+2×(4×5)

=2[(9×8)+20]

=2[72+20]

=2×92

=184 m²