This video explores the main features of circles. Special attention is given to the computation of circumference and area of circles. The nature of cylinders is also explored.

Originally released by Visual Learning, 2017. Streaming video file encoded with permission for digital streaming by Infobase on September 27, 2017.

Circles: Introduction (0:42); --What are Circles? (1:00); -- Radius and Diameter (2:16); -- Circumference (2:07); -- Area and Circles (2:06); -- Cylinders (3:56); -- Summing Up (1:05); -- Video Assessment (1:21); -- Credits: Circles (0:34); .