Painting a water tank

This task is about calculating the surface area of the sides and top of a cylinder.

Area of circle = πr2
Circumference of circle = 2πr
Volume of cylinder = area of base × height
 Area of rectangle = height × length

 

Jordan painted this water tank with one coat of paint.

  • First he painted the top.
  • Then he painted the sides.

Show how to work out the area he painted (show all of your working, including any diagrams).

 

 

 

 

 

 

 

 

The area Jordan painted was __________ m2