1. Two angles that form a linear pair are _____.
2. Lines that lie on the same plane and do not intersect are called _____.
3. When two lines intersect, there are ____angles formed.
4. The sum of the measures of the angles in a linear pair is ____.
For numbers 5,6,7. Adjacent angles are two angles which have a common ______and a common ____,but have no common point.
8. Two lines are ____ if and only if they intersect to form four angles.
For numbers 9,10. Two angles form a linear if and only if they are ____.
angles, and their uncommon sides are rays.
CHOICES:
vertex
Supplementary
interior
opposite
parallel lines
side
adjacent
180°
perpendicular
four
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1. supplementary
2. parallel Lines
3. four
4. 180°
5-7. vertex, side
8. perpendicular
9-10. adjacent