Area of a circle (practice) | Khan Academy
https://en.khanacademy.org/math/mappers/map-exam-geometry-224-227/x261c2cc7:area-and-circumference-of-circles/e/area_of_a_circle
WEBMAP Recommended Practice. Course: MAP Recommended Practice > Unit 8. Lesson 1: Area and circumference of circles. Radius, diameter, circumference & π. Labeling parts of a circle. Radius, diameter, & circumference. Radius and diameter. Radius & diameter from circumference. Relating circumference and area. Circumference of a circle. Area of a circle.
DA: 52 PA: 73 MOZ Rank: 29