http://www.ck12.org Chapter 1. Basics of Geometry
Review Questions
- Find the measure of an angle that is complementary to^6 ABCifm^6 ABCis
a. 45◦
b. 82◦
c. 19◦
d.z◦ - Find the measure of an angle that is supplementary to^6 ABCifm^6 ABCis
a. 45◦
b. 118◦
c. 32◦
d.x◦
Use the diagram below for exercises 3-7. Note thatNK⊥
←→
IL.
- Name one pair of vertical angles.
- Name one linear pair of angles.
- Name two complementary angles.
- Name two supplementary angles.
- Given thatm^6 IJN= 63 ◦, find:
a.m^6 JNL
b.m^6 KNL
c.m^6 MNL
d.m^6 MNI
For 8-15, determine if the statement is ALWAYS true, SOMETIMES true or NEVER true.
- Vertical angles are congruent.
- Linear pairs are congruent.
- Complementary angles add up to 180◦.
- Supplementary angles add up to 180◦
- Adjacent angles share a vertex.
- Adjacent angles overlap.
- Complementary angles are 45◦.
- The complement ofx◦is( 90 −x)◦.
For 16-25, find the value ofxory.