Question

Two similar cylinders have heights 12 inches and 16 inches.

What is the ratio of their surface areas?
Answer
1 : 4
3 : 4
9 : 16
16 : 27

Answer 1

12/16 =3/4

Answer 2

thank you sir, didn't know it was so simple :)

Answer 3

because the surface area of a cylinder is equal the circunpherance of base time height of cylinder so than from this result that the ratio of areas will be the ratio of theyr heghts ,ok ?

Answer 4

heights ,sorry

Answer 5

okay i just tried it out on another similar problem and it didnt take me too long! thanks!

Answer 6

yw

good luck

bye