6. The Area of a Circle
Print out this page and cut out the circle in 16 sectors.
Use the cutouts to justify that the area of a circle is
A circle = 
r2.
Previous Knowledge: You will need to know the circumference of the circle.
(Hint: Shape the sectors into a parallelogram. Tape or paste your parallelogram on a piece of paper and write your observations.)
Copyright 
1998 by
Margo Lynn Mankus
