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Angle Relationships Vocab Day 1.notebook April 08, 2013
Lesson Planning Page
© 2008 SMART Technologies ULC. All rights reserved.
Extraordinary made simpleTM
Angle Relationships
2009
Deb Todd
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Right Angle: an angle that measures exactly 90
0 180
10 170
20160
30
15040
14050
13060
120
70
110
80
100
90
90
0°
100
80
110
70
120
60
130
50
140
40
150
30
16020
17010
1800
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Complementary Angles: two angles whose measures have a sum of 90 degrees
M
N
P
Q
Use the protractor to measure the angles
Angle Relationships Vocab Day 1.notebook April 08, 2013
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Straight Angle: an angle that measures exactly 180
0180
10170
20
16030
15040
14050
130
60
120
70
110
80
100
90
90
14°
100
80
110
70
120
60
130
50
140
40
15030
16020
17010
1800
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Supplementary Angles: two angles whose measures have a sum of 180 degrees
M
N
P Q
Use the protractor to measure the angles
Mar 197:45 AM
Practice
1 year=52 weeks
1 2
Angles 1 and 2 are complementary.If angle 2 is 64 , what is the measure of angle 1?
Are the angles complementary or supplementary?
Are the angles complementary or supplementary?
Are the angles complementary or supplementary?m 3 = 52m 4 = 38LL
m 5 = 95m 6 = 85LL
Angle Relationships Vocab Day 1.notebook April 08, 2013
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Congruent: Angles that have the same measure
Drag and rotate blue angle onto the black angles to see if they're congruent
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Adjacent Angles: side by side and have a common vertex and ray.
M
N
OP
Q
1
2
34
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Vertical Angles: formed opposite from each other when two lines intersect (they are always congruent)
M
N
OP
Q
1
2
34
Angle Relationships Vocab Day 1.notebook April 08, 2013
Mar 197:45 AM
Practice
1 year=52 weeks
Angles 1 and 2 are complementary.If angle 2 is 64 , what is the measure of angle 1?
678
9
List two sets of vertical angles.
If angle 8 is 46 , what are the measures of the other 3 angles?
Mar 197:45 AM
Use the picture to name the following
A
B
C
D E
FG
Name the following:
2 vertical angles
2 adjacent angles
2 complementary angles
2 supplementary angles
2 right angles
2 straight angles
1
23
4
56
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Corresponding Angles - angles holding the same
position with parallel lines and a transversal, are
congruent1 2
3 4
5 6
7 8
If angle 5 is 65 , what are two other angle measures?
What angles are alternate interior angles?
What angles are corresponding angles?
Angle Relationships Vocab Day 1.notebook April 08, 2013
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Alternate Interior Angles - angles on opposite sides
of transversal, inside of 2 parallel lines, are
congruent.1 2
3 4
5 6
7 8
If angle 2 is 136 , what are the other angle measures?
What angles are alternate interior angles?
What angles are alternate interior angles?
Mar 197:45 AM
Vocabulary
1 year=52 weeks
Alternate Exterior Angles - angles on opposite sides
of transversal, outside of 2 parallel lines, are
congruent1 2
3 4
5 6
7 8
If angle 2 is 97, what are the other angle measures?
What angles are alternate interior angles?
What angles are alternate exterior angles?
