Question

Find the surface area of the cylinder in terms of pie .

Answer 1

timed exam pleasd help

Answer 2

We can do this:
Surface area= Area of the circles + area of the body

Answer 3

Area of circle=pi*r^2

Answer 4

Be careful, we have to circles, right?

Answer 5

surface area = 2 π r2 + 2 π r h

2 pi (9)^2 + 2 pi (9) (20)

162 pi + 360 pi

522pi

Answer 6

huh ?

Answer 7

so the answer would be 522

Answer 8

@Nali I would be better if we don't give answers, do she can think a bit, right?

Answer 9

ok sorry it is just it was a timed exam but okey

Answer 10

thanks nali its summer i just wanna get this isssh over with !!

Answer 11

No worries! You tried to help! Good intention! :)