The radius of a cylinder is 5" and the lateral area is 70 sq. in. Find the length of the altitude.

a)2.8"
b)7"
c)14"

Question

The radius of a cylinder is 5" and the lateral area is 70 sq. in. Find the length of the altitude.

a)2.8"
b)7"
c)14"

thereisnousername · Answer

the equation would be 70pi = 2pi(5)h
Multiple 2pi * 5 = 10pi (h)
Divide 70pi by 10pi, what is h?

jhonyy9 · Answer

do you understand these above wrote by @ThereisnoUsername ?

thereisnousername · Answer

70pi sq in is the number you indicated above as the lateral area.

when setting up an equation the answer is on one side and the formula is on the other

your answer is 70 divided by 10 
which would be?

jhonyy9 · Answer

so this is easy understanding 

nice job @ThereisnoUsername - congrat !

thereisnousername · Answer

thank you!

falloutboy · Answer

k thanks so much...sorry didnt reply back was working it out