Question

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?



cm2

Answer 1

@iGreen @AnswerMyQuestions

Answer 2

/

Answer 3

Oh..

Answer 4

A = 2b + ph

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

Plug them in

Answer 5

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

Answer 6

Simplify @r_josh10

Answer 7

ok um 202?

Answer 8

Oh, nevermind..that's correct.

Answer 9

2 * 21 = 42
20 * 8 = 160

160 + 42 = 202

Answer 10

2*21=42 + 20*8=160
160+48=202

Answer 11

thanks!

Answer 12

Np