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Go Math Chapter 11

TermDefinition
clockwise in the same direction in which the hands of a clock move
counterclockwise in the opposite direction in which the hands of a clock move
degree (°) the unit used for measuring angles
protractor a tool used for measuring the size on an angle
acute angle an angle that measures greater than 0° and less than 90°
obtuse angle an angle that measures greater than 90° and less than 180°
ray a part of a line; it has one endpoint and continues without end in one direction
right angle an angle that forms a square corner and has a measure of 90 degrees (90°)
vertex the point at which two rays on an angle meet or two (or more) line segments meet in a two
Created by: marywolter
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