Download presentation

Presentation is loading. Please wait.

Published byAiden Dean Modified over 4 years ago

1
Area and Circumference of Circles

2
1. Radius- any line segment that connects the center to a point on the circle VOCABULARY Radius

3
2. Diameter- any line segment that passes through the center of the circle and connects two points on the circle. The diameter is twice the length of the radius.

4
3. Circumference is the word used to describe the distance around the outside of a circle.

5
A=π r 2 Formulas C= 2πr Or C= πd

6
What is pi? Pi is the ratio of the circumference of the circle to its diameter. π

7
Pi is an infinite decimal. Lets take a look….. The first 500 digits of pi.

8
Practice Problems 1. A hot tub has a diameter of 6 feet. What is the circumference and area of the hot tub?

9
Practice Problems 2. The circumference of your CD is 28.26 cm. What is the radius?

10
Practice Problems 3. The radius of a circular rug is 4 ft. What is the circumference and area of the rug?

11
http://www.ballandclaw.com/upi/ pi.50000.html

Similar presentations

OK

Math Circumference of Circles & Area of Circles. Vocabulary A circle is the set of all points in a plane that are the same distance from a given point,

Math Circumference of Circles & Area of Circles. Vocabulary A circle is the set of all points in a plane that are the same distance from a given point,

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on sedimentary rocks formation Ppt on blue eyes technology free download Ppt on accounting standard 14 Ppt on physical change and chemical change Ppt on friction in daily life Ppt on employee provident fund act 1952 republican Ppt on hospitality industry in india Ppt on product and service design Ppt on case study change management Ppt on cartesian product model