Download 10-1 at bit.ly/ angles 1. Fold circles to create the following angles. Crease your folds to make the clearly visible. In cach case, explain why your folding creates angles of that size. a. 180° b. 90° c. 45°

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
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SECTION 10.1 CLASS ACTIVITY 10-B
Measuring Angles with Folded Circle Protractors
CCSS CCSS SMP3, SMPS, 4.MD.5, 4.MD.6, 4.MD.7
Materials Each person will need at least six circles cut from a piece of paper or from
Download 10-1 at bit.ly/2SWWFUX
1. Fold circles to create the following angles. Crease your folds to make the angles
clearly visible. In cach case, explain why your folding creates angles of that size.
a. 180°
b. 90°
c. 45°
d. 60°
10.1 Lines and Angles
Fold at least two more circles to create some other angles!
2. Now think of each folded circle as a protractor. Use folded-circle-protractors to
determine the measures of angles a, b, c, d, e, and f below.
3. Explain how to use your folded circle protractors from part 1 to make the following
angles.
a. 315⁰
b. 165°
c. 105°
Copyright © 2022 Pearson Education, Inc.
CA-259
Transcribed Image Text:SECTION 10.1 CLASS ACTIVITY 10-B Measuring Angles with Folded Circle Protractors CCSS CCSS SMP3, SMPS, 4.MD.5, 4.MD.6, 4.MD.7 Materials Each person will need at least six circles cut from a piece of paper or from Download 10-1 at bit.ly/2SWWFUX 1. Fold circles to create the following angles. Crease your folds to make the angles clearly visible. In cach case, explain why your folding creates angles of that size. a. 180° b. 90° c. 45° d. 60° 10.1 Lines and Angles Fold at least two more circles to create some other angles! 2. Now think of each folded circle as a protractor. Use folded-circle-protractors to determine the measures of angles a, b, c, d, e, and f below. 3. Explain how to use your folded circle protractors from part 1 to make the following angles. a. 315⁰ b. 165° c. 105° Copyright © 2022 Pearson Education, Inc. CA-259
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