Download Warm-up, 1.5.16

Name _______________________________________ Date __________________ Class __________________
Angle Relationships and Constructions
Puzzles, Twisters & Teasers: Off the Hook!
Draw lines to match each term with the correct figure. Each figure
has a corresponding letter. Use the letters to solve the riddle.
1. complementary angles
E
2. right angle
O
3. ray
S
4. supplementary angles
G
5. vertex
U
6. obtuse angle
R
7. acute angle
N
8. straight angle
T
Who performs operations in the fish hospital?
The
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Holt McDougal Mathematics
Name _______________________________________ Date __________________ Class __________________
UNIT 5 Geometry
Module 11
Answers for Lesson 11.1
Practice A
1.
3.
5.
7.
9.
acute
right
neither
complementary
100°
2.
4.
6.
8.
10.
obtuse
60°  25°  85°
50°  40°  90°
supplementary
70°
Practice B
1.
3.
5.
7.
9.
11.
straight
obtuse
neither
neither
143°
97°
acute
supplementary
complementary
complementary
26°
49°
Problem Solving
right
2.
acute
4.
complementary
6.
neither
8.
102°
supplementary; 58°
complementary; 55°
obtuse
neither
supplementary
74°
Reading Strategies
Review for Mastery
1.
3.
5.
6.
120°
3. 30°
5. 132°
7. 24°
2.
4.
6.
8.
10.
12.
Practice C
1.
3.
5.
7.
9.
10.
11.
2.
90°; right
2. 60°; acute
120°; obtuse
4. 180°; straight
complementary; 90°
supplementary; 180°
Challenge
1.
1.
3.
5.
7.
55°
6
D
B
4. 60°
6. 174°
8. 168°
2.
4.
6.
8.
130°
5
G
H
1. a protractor
2. under the hole in the middle
of the protractor
3. one of the two rays
4. 90 degrees
5. 120 degrees
Puzzles, Twisters & Teasers
1. N
2. S
3. O
4. T
5. E
6. U
7. G
8. R
S T U R G E O N
150°
Holt McDougal Mathematics