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Circles and Ratio

Mod 1 Proportional Reasoning Topic 1

Circle A collection of points on the same plane equidistant from the same point
Radius A line segment formed by connecting a point on the circle and the center of the circle
Diameter The distance across a circle through the center
Circumference of a circle The distance around a circle
Pi The ratio of the circumference of a circle to its diameter; approximately 3.141592653.......
Congruent Two figures that have the same shape and size
Area of a circle the amount of space contained inside the circle
Unit rate A ratio of two different measures in which either the numerator or denominator is 1.
Created by: hms112