Xuwen

State whether the indicated angle pairs are adjacent or not.

• yes

• no

State whether the indicated angle pairs are adjacent or not.

• yes

• no

Identify the type of angle

• vertical angle

• Adjacent angle

Which of the following is the vertically opposite angle of angle AOE?

• Angle AOB

• Angle DOE

• Angle BOD

• Angle COB

Which two is vertical angle

• Angle 5 & 3

• Angle 5 & 6

• Angle 6 & 3

• Angle 3 & 4

Identify two pairs of adjacent angles

• Angle 6 & 7, Angle 6 & 8

• Angle 7 & 8, Angle 9 & 6

• Angle 6 & 7, Angle 8 & 9

• Angle 7 & 9, Angle 6 & 8

• 132

• 145

• 123

• 154

• 154

• 146

• 164

• 145

4(2-3)=?

• 8+12

• 2-3

• 4+3

• 8-12