Related Topics & Worksheets:
Circumference Of Circle
Area Of Circle
Objective: I know how to calculate problems that involve the radius, diameter, circumference and area of circle.
The circumference of a circle is the distance around the circle.
The formula is πd or 2πr
Read the lesson on circumference of circle if you need to learn how to calculate the circumference of a circle.
The area of a circle is size of the surface of the circle. The formula is πr2.
The area of the circle is expressed in square units. Since the formula is only given in terms of radius, remember to change from diameter to radius when necessary.
Read the lesson on area of circle if you need to learn how to calculate the area of a circle.
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