A Book Club Blackline Master
Name:
This page is fully reproducible
Class:
Cover All Angles
1. Use your protractor to measure the angles.
2. Label the angles acute, right or obtuse.
1.
A
A
B
b
a
B
2.
Did you know that angles on a
straight line always add up to 180º?
C
a + b = 180º
C
Answer:
Answer:
3.
4.
5.
A
A
B
A
C
B
B
C
C
Answer:
Answer:
6.
Answer:
7.
8.
A
A
C
C
C
A
B
B
B
Answer:
Answer:
9.
Answer:
10.
11.
C
A
A
B
Answer:
C
B
B
A
Answer:
Answer:
Copyright © 2012 Scholastic Australia Pty Limited
C
A Book Club Blackline Master
Name:
This page is fully reproducible
Class:
Cover All Angles — ANSWER KEY
1.
A
A
B
b
a
B
2.
Did you know that angles on a
straight line always add up to 180º?
C
a + b = 180º
C
Answer:
ACUTE
Answer:
RIGHT
3.
4.
5.
A
A
B
A
C
B
B
C
Answer:
OBTUSE
6.
C
Answer:
ACUTE
Answer:
ACUTE
7.
8.
A
A
C
C
C
A
B
B
B
Answer:
RIGHT
Answer:
OBTUSE
9.
Answer:
ACUTE
10.
11.
C
A
A
B
Answer:
OBTUSE
C
B
B
A
Answer:
OBTUSE
C
Answer:
RIGHT
Copyright © 2012 Scholastic Australia Pty Limited