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8-3

Name

Date

Use a straightedge and a protractor to draw and shade

an angle of each type. Measure and label each angle.

Answers will vary.

Possible answers are

given.

1. acute angle less than 40˚ 2. acute angle greater than 40˚

30°

60°

3. obtuse angle less than 160˚ 4. four angles with a sum of 360˚

130°

90°

90°

© Houghton Mifflin Harcourt Publishing Company

5. Write out the sum of your angle measures in

Exercise 4 to show that the sum equals 360˚.

Check students’ work.

90°

90°

UNIT 8 LESSON 3 Circles and Angles 179

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