Question

@robtobey

Answer 1

Do you know the area formula for these shapes?

Answer 2

Yes

Answer 3

Try a break the cylinder surface area into those shapes.

Answer 4

Area = area of 2 circles + area of one rectangle

Answer 5

It's not the radius... it's the diameter.

Answer 6

@kittiwitti1

Answer 7

1/2 diameter = radius

Answer 8

14/2=7

Answer 9

Why did you tag me? It seems @Redcan is helping you quite well

Answer 10

350 pi :)

Answer 11

@Redcan

Answer 12

let me actual do the calc...

Answer 13

me too

Answer 14

2*Pi*7^2 + 18*2*Pi*7 = 350 Pi

Answer 15

np