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Name
LESSON
1-4
Date
Class
Practice A
Pairs of Angles
Complete the statements.
1. Adjacent angles are two angles in the same plane with a common
and a common
side
vertex
, but no common interior points.
2. A linear pair is a pair of adjacent angles whose noncommon sides
are opposite rays.
3. Complementary angles are two angles whose measures have a sum of
908
.
4. The kind of angle formed by the noncommon sides of two adjacent and
right angle
complementary angles is a
5.
Supplementary
.
angles are two angles whose measures
have a sum of 1808.
6. The kind of angle formed by the noncommon sides of two adjacent and
straight angle
supplementary angles is a
.
Draw your answer in the space provided.
3AMPLEANSWER
7. Sketch /1 and /2 so that
they are adjacent angles.
8. Sketch /1 and /2 so that
they form a linear pair.
3AMPLEANSWER
In an equilateral triangle, all three sides have equal lengths
and all three angles have equal measures. Find the measure
of the following angles.
9. supplement of /A
1208
10. complement of /A
308
!
Draw your answer in the space provided.
11. Sketch /1 and /2 so that
they are vertical angles.
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3AMPLEANSWER
27
Holt Geometry