Review:labeled part Write the name of each of the circle E. B. C. A. D.

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Presentation transcript:

Review:labeled part Write the name of each of the circle E. B. C. A. D.

Parts of a Circle Segments & Lines chord diameter radius tangent secant

Theorem: All radii of a circle are congruent

The diameters of Circle A, Circle B, and Circle C are 10 inches, 20 inches, and 14 inches, respectively.  Find XB  Find BY

If the diameter of a circle doubles, then the circumference ________. Give an example: Diameter or Circle 1:Circumference of Circle 1: Diameter of Circle 2:Circumference of Circle 2: