Geometry Vocabulary 2:
Angles

angle

right angle

degree

vertex

acute angle

protractor

vertical angles

reflex angle

complementary angles

supplementary angles

adjacent angles

obtuse angles

straight angle

   


Use the words in the box to complete these sentences:
  1. An _______________ is defined by two rays meeting at a common point. It's the "space between" two rays that meet at a point.
  2. The tool I use to measure angles is a ________________________.
  3. Two angles with measures that add up to 90° are called ____________________________________.
  4. A _________________________ has exactly 90°.
  5. The ________________ is the point where the two rays of an angle meet.
  6. An angle that measures < 90° is an __________________________.
  7. An angle that measures > 180° is a __________________________.
  8. ________________________ are angles that have the same vertex, have a side in common, and do not overlap.
  9. A _________________________ measures exactly 180°.
  10. A ________________ is a unit of measurement for angles. Circles have 360 of them.
  11. An angle that measures > 90° but < 180° is called an _______________________________.
  12. __________________________ are the nonadjacent angles formed by intersecting lines. They are always equal.
  13. Two angles with measures that add up to 180° are called ___________________________________.

 




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