20. A linear pair of angles is always ____________________.
. Find the measures of the angles.
21. Given
m WXZ
80
Equation _________________________
x = ________ m WXY
= ________ m ZXY
________
and
, find the
22. In the diagram, OT bisects
. If
SOU
SOT
9
x
4
TOU
5
x
4
measures.
Equation _________________________
________
x = ________ m SOU
23. Find the missing measures.
Equation ________________________
________ m RTP
________
x = ________ m RTS