SOLUTION: A water tank 3.5m high with 10cm thick concrete and an external diameter of 3m has to have a banner 1 meter high placed aroun the tank. what area of material is required.

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: A water tank 3.5m high with 10cm thick concrete and an external diameter of 3m has to have a banner 1 meter high placed aroun the tank. what area of material is required.       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 953033: A water tank 3.5m high with 10cm thick concrete and an external diameter of 3m has to have a banner 1 meter high placed aroun the tank. what area of material is required.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
area of the banner will be height of the banner times circumference of the tank.
Area=%28height%29%28pi%29%28diameter%29
Area=%281m%29%28pi%29%283m%29
Area=3%28pi%29m%5E2