Geometry Vocabulary

1. A triangle with two sides of the same length is a(n) ___________ triangle.
3. The units we use for measuring angles are __________.
5. A triangle with an obtuse angles is a(n) _________ triangle.
7. A parallelogram with four equal sides is a(n) _______.
8. An angle that measures less than 90 is called a(n) _________ angle.
10. ___________ lines are always the same distance apart and never intersect.
11. A quadrilateral with two pairs of parallel sides is called a(n) _________________.
15. A triangle with a right angle is a(n) __________ triangle.
17. A part of a line that has two endpoints is called a _________.
18. A ______ is a straight set of points that extends in opposite directions without ending.
19. A triangle with three acute angles is a(n) __________ triangle
20. A tool that is used to measure and draw angles is called a __________.

2. A triangle with three equal sides is a(n) _________ triangle.
4. A quadrilateral with four equal sides and four right angles is a(n) ___________.
6. A triangle with three sides of different lengths is a(n) ______________________ triangle.
7. A quadrilateral with two pairs of parallel sides and four right angles is a(n)________.
9. A _________ is a part of a line with one endpoint that continues without ending in one direction.
10. A _________ is an exact location in space.
12. A(n) ______________________ is a point at one end of a segment or the starting point of a ray.
13. An angle that measures more than 90 but less than 180 is a(n) ________ angle.
14. An angle that measures 90 is called a(n) _________ angle.
16. A quadrilateral with exactly one pair of parallel sides is called a(n) ___________.