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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.