Question

A rectangular prism is 3 units high 2 units wide and 5units long. What is it’s surface area in square units?

Answer 1

Explanation:

h = 3 units

b = 2 units

l = 5 units

Surface area = 2*(lb + bh + hl)

=2*(5*2 + 2*3 + 3*5)

=2*(10 + 6 + 15)

=2*31

= 62 square units