Question

c. measuring angles degree °
∠a m∠a
use the protractor to determine each angle.
1)
2)
3)
4)
5)
6)
8)

Explanation:

Step1: Observe protractor 1

Read the scale where the angle - side intersects.

Step2: Determine angle 1

The angle measures 70°.

Step3: Observe protractor 2

Read the scale where the angle - side intersects.

Step4: Determine angle 2

The angle measures 30°.

Step5: Observe protractor 3

Read the scale where the angle - side intersects.

Step6: Determine angle 3

The angle measures 50°.

Step7: Observe protractor 4

Read the scale where the angle - side intersects.

Step8: Determine angle 4

The angle measures 60°.

Step9: Observe protractor 5

Read the scale where the angle - side intersects.

Step10: Determine angle 5

The angle measures 120°.

Step11: Observe protractor 6

Read the scale where the angle - side intersects.

Step12: Determine angle 6

The angle measures 160°.

Step13: Observe protractor 7

Read the scale where the angle - side intersects.

Step14: Determine angle 7

The angle measures 80°.

Step15: Observe protractor 8

Read the scale where the angle - side intersects.

Step16: Determine angle 8

The angle measures 140°.

Answer:

1. 70°
2. 30°
3. 50°
4. 60°
5. 120°
6. 160°
7. 80°
8. 140°