9/20/2016

HW Solutions: Angle Add Postulate
Evens--on board--draw diagram!
1.
3.
5.
7.
9.
x=-8
x=7
x = 10
x = 8, m<TSR = 91°
x = 10, m<UVY = 67°
Classifying Angles
Acute
Right
Obtuse
Straight
Quiz 1.1 - 1.4 Review
Know vocabulary and postulates!
Inductive reasoning
Sometimes, Always, Never
HW problems
Segment and Angle Addition Post.
How to correctly label/mark things.
25°
Always, Sometimes, Never
1. Two planes ____ intersect in exactly 1 point.
2. Three noncollinear points are ______ coplanar.
3. Four points are ______ coplanar.
4. Intersecting lines are ______ coplanar.
5. Two lines _______ meet in more than one point.
6. AB and BA are ______ the same segment.
7. Opposite rays _____ form a line.
8. Two lines in the same plane are _____ parallel.
9. Skew lines are _____ coplanar.
10. Two lines that do not intersect are _____ parallel.
Through any 2 pts there is
exactly 1 ____________.
If 2 lines intersect, they
intersect in exactly 1 ______.
If 2 planes intersect, they
intersect in a __________.
Through any 3 noncollinear
points there is exactly 1
____________.
True or False
1. SV II UT
2. WZ II TU
3. plane SVW II plane ZXY
4. ST and VT intersect at T
5. XY and SZ are skew lines
6. plane SVT intersects plane ZYU at V
A
B
C
Name CA in another way.
BA and CD are opposite rays?
D