Geometry pt.1

3. Opposite angles formed by the intersection of two lines. __________ _______ are congruent.
5. Sides with the same length.
7. A figure with three sides and three angles.
10. A triangle having no congruent sides.
12. A triangle having one right angle.
13. A triangle having three acute angles
15. Angles that have the same vertex, share a common side, and do not overlap.
16. An angle that measures exactly 180 degrees.
17. Any angle that measures greater than 90 degrees, but less than 180 degrees.

1. Two angles are complementary if the sum of their measures is 90 degrees.
2. A triangle having at least two congruent sides.
4. Two angles whose sum is 180 degrees.
6. A triangle having three congruent sides.
8. A triangle having one obtuse angle.
9. Having the same measure.
11. An angle that measures exactly 90 degrees.
14. An angle with a measure greater than 0 degrees and less than 90 degrees.