Seventh graders will compare the formula for the area of a regular polygon to discover the formula for the area of a circle.

Students will discover how to estimate and measure the circumference and area of a circle.

Explore everything about circles. Learn various parts of a circle like a diameter, radius, circumference, circles chord, tangent circles, major arc, segment, sector, and discover other interesting aspects of it. Try your hand at solving...

Do you need to learn about Pi, circumference, or the area of a circle or just have a quick refresher about them? This British web site will take you through the basics and offers a quick on-line test to help you check your understanding.

In this set of worksheet activities, students will be guided to discover formulas for area of polygonal shapes and circles.