Question

WILL FAN AND MEDAL!!!!!!!!!!!!!!!!
NEED HELP!

The area of the base of a prism is 21 cm2. The perimeter of the base is 20 cm. The height of the prism is 8 cm.

What is the surface area of the prism?

Answer 1

A = 2b + ph

Answer 2

Where 'b' is the area of the base, 'p' is the perimeter of the base, and 'h' is the height.

Answer 3

Plug in what we know:

A = 2(21) + (20)(8)

Simplify

Answer 4

http://www.onlinemathlearning.com/prism-surface-area.html

Answer 5

so A = 42 + 160

Answer 6

Yes!

Answer 7

Now add 42 + 60 to get your final answer.

Answer 8

160*

Answer 9

Check again.

Answer 10

A = 202

Answer 11

Correct