100 80 70 0
1
120 110 100
70 80
100
T
70
60
50
O
140 130 120
40
60|150 140
130 140 150
10 20 30
30 20
180 170 160
TI
150 160 170 180
10
0
7
Explain how to find the measurement of the angle shown on the protractor. What is the measurement of the angle?
Find the sum of 155° and 45°. The angle measures 200°.
Find the difference between 155°and 45°. The angle measures 110°.
Use the smaller measurement because the angle is acute. The angle
measures 45°
Use the larger measurement because the angle is obtuse. The angle
measures 155º.