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Math
Geometry
geometry vocab
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Gravity
Terms in this set (14)
protractor
an instrument used to measure angles in degrees
congruent angles
two angles that have the same measure
angle
consists of two different rays with a common endpoint
sides
the rays are also called the ___ of an angle
vertex
the common endpoint of an angle is called the _____ of the angle
90-180
the measure for an obtuse angle
0-90
the measure for an acute angle
180
a straight angle measures _____ degrees
90
the correct degree measure for a right angle is ____
complementary
two angles are ____ if their measures have a sum of 90 degrees
supplementary
two angles are _____ if their measures have a sum of 180 degrees
adjacent
two angles are ____ if they share a common side and common vertex but have no interior points in common
angle bisector
an angle that divides an angle into two adjacent congruent angles is called an ____
midpoint
the ______ of a line segment is a point exactly halfway between two endpoints of a segment
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