Question

Bridget has a kitchen canister, in the shape of a cylinder, which holds flour. If the canister is 20 centimeters wide and 28 centimeters tall, what is its approximate surface area in terms of pi?

Answer 1

do you know the SA formula of a cylinder?

Answer 2

no?

Answer 3

\[SA = 2\Pi r ^{2}+2\Pi r h\]

Answer 4

remember :
20cm wide means diameter is 20cm and thus r=??
28cm tall indicates the height