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Name: _____________________
Period: __________
14
Scheitlin Geometry CP
Angle Vocabulary
adjacent angles
angle bisector
complementary angles
supplementary angle
vertical angles
Choose the word from the list above that is defined by each statement.
1. two angles whose measures have a sum of 180
2. two angles whose measures have a sum of 90
3. two angles whose sides are opposite rays
4. two angles that share a side but do not overlap
5. a ray that divides one angle into two angles with the
same measure
Use a word from the list to complete each sentence.
6. If the measure of one angle in a pair of
measure of the other angle is 180 – n.
7.
never share a side.
8.
always share a side.
is n, the
Using a Protractor, draw the angle bisector for each angle.
Checking your Vocabulary
11. Determine if the following angle pairs are vertical, by writing YES or NO
_______GBA and GBM
________ABJ and MBC
________GBA and CBJ
________ABM and MBC
12. Determine if the following angle pairs are supplementary angles
_______GBA and CBJ
_______GBA and GBC
________ABM and MBC
________ABM and MBG
14
Name: _____________________
Scheitlin Geometry CP
Period: __________
Directions: Match the following pictures with the vocabulary words
Complementary
Angles
Vertical Angles
Overlapping
Angles
Adjacent
Angles
Non-Vertical
Angles
Supplementary
Angles
Exercises
1. Use the diagram to the right to answer these questions.
a. Label ABD as 1.
b. Label an angle that is supplementary to ABD as 2.
c. Label as 3 an angle that is adjacent and
complementary to ABD.
d. Label as 4 a second angle that is
complementary to ABD.
e. Name an angle that is supplementary to ABE.
f. Name an angle that is complementary to EBF.