prep1 (Some Relation between two angles)

 $\angle BAC\ ,\ \angle CAD\ are\ complementary\ angles$  

• yes

• no

 $\angle CBD\ ,\angle ABD\ are\ adjacent\ angles$  

• yes

• no

• 169

• 108

• 360

• 90

the two supplement angles are two angles whose sum of their measures =

• 90

• 180

• 360

• 108

• acute

• supplement

• complement

• equale

 $m\angle A\ +\ m\angle B\ =180\degree,\ then\ \angle A,\ \angle B\ are\ .....$  

• equale in measure

• complementary

• supplementary

• adjacent

• 90-right

• 180 -straight

• 45 -acute

• 90 -straight

 $\overline{AB\ }\ .......\overrightarrow{AB\ \ }$  

•  $\in$  

•  $\subset$  

•  $\notin$  

•  $\not\subset$  

The angle whose measure 30 .complement the angles whose measure........

• 60

• 90

• 180

• 150

The supplement of acute angle is......

• ZERO angle

• Acute angle

• right angles

• obtuse angle