http://www.ck12.org Chapter 1. Basics of Geometry
2. 90◦
3. 180◦− 63 ◦= 117 ◦
Practice
For 1-5, determine if the statement is true or false.
- Linear pairs are congruent.
- Adjacent angles share a vertex.
- Adjacent angles overlap.
- Linear pairs are supplementary.
- Supplementary angles form linear pairs.
Find the measure of an angle that forms a linear pair with^6 MRSifm^6 MRSis:
- 54◦
- 32◦
- 104◦
- 71◦
- 149◦
11.x◦
For 12-16, find the value ofx.
12.
13.
14.
15.
16.