How to Find the Area of a Circle

How to Find the Area of a Circle

3
STEPS
TOOLS
Make sure you have all your supplies ready

Make sure you have all your supplies ready

Unless you already have a circle start by using you protractor  to draw a perfect circle

Unless you already have a circle start by using you protractor to draw a perfect circle

Find the diameter of the circle by measuring the the circle with the ruler going threw the middle of the circle

Find the diameter of the circle by measuring the the circle with the ruler going threw the middle of the circle

The formula for finding the area of a circle is Pi Multiply radius squared. The radius of a circle is the distance from the middle of the circle to the side

My raidius is 3 cm so I multiply it by its self witch is 9 cm. Squaring is when you multiply the number by itself. Then you times 9 by pie and that is your area

  • 1.0 Protractor
  • 1.0 Ruler
  • 1.0 Pencil
  • 1.0 Compass
  • 1.0 Eraser