Education Technology

Area of a Circle

Published on 07/01/2010

Activity Overview

Students are introduced to capturing data to create a mathematical relationship between the area and radius of a circle. Students will explore the area of a circle numerically, graphically, and algebraically.

Key Steps

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    On the left side of page 1.3, students are to construct a circle and its radius by using the Circle tool from the Shapes menu, followed by the Segment tool from the Points & Lines menu. Next, they should measure the Area of the circle and the Length of the radius by using the respective tools from the Measurement menu.