Area of a Circle
This activity is about exploring the area of a circle.
First we are going to straighten out the circumference, and recall how we calculate the circumference of a circle.
Then follow the instructions in the activity, and try to generate a formula for the area of a circle.
First we are going to straighten out the circumference, and recall how we calculate the circumference of a circle.
Then follow the instructions in the activity, and try to generate a formula for the area of a circle.
This activity is taken from GeoGebra tube, and originally desingned by Anthony Or
Ideas for Teachers
Having looked at the Circumference of a Circle, students can use this knowledge to help them explore the area of a circle using this activity. It walks through the steps, and can either be used by students in a homework or computer room, or used as an interactive example on the board to show how we get the formula for the area of a circle.
Having looked at the Circumference of a Circle, students can use this knowledge to help them explore the area of a circle using this activity. It walks through the steps, and can either be used by students in a homework or computer room, or used as an interactive example on the board to show how we get the formula for the area of a circle.
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