Geometry (2) - Week 16 - Lesson 1- Circumference and Surface area of Circles
Lesson: Area and Circumference of a circle - Google slides (Explaining step by step and providing examples and exercises for students) Work in Class: Support: Extension: The distance around the wheel of a truck is 9.42 feet. What is the diameter of the wheel? A lawn sprinkler sprays water 5 feet in every direction as it rotates. What is the area of the sprinkled lawn? A dog is tied to a wooden stake in a backyard. His leash is 3 meters long and he runs around in circles pulling the leash as far as it can go. How much area does the dog have to run around in? A spinner has 6 sectors, half of which are red and half of which are black. If the radius of the spinner is 3 inches, what is the area of the red sectors?