Y ter of the a

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
Problem 45E: A triangle has sides of lengths 6 cm, 8 cm and 10 cm. Find the distance between the center of the...
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Could you solve 3rd question please? 

Thank you. 

3.) You want to make an 80° angle by marking an arc on the perime-
ter of a 12-in. diameter disk and drawing lines from the ends of
the arc to the disk's center. To the nearest tenth of an inch, how
long should the arc be?
4. If you roll a 1-m-diameter wheel forward 30 cm over level
ground, through what angle will the wheel turn? Answer in radi-
ans (to the nearest tenth) and degrees (to the nearest degree).
Transcribed Image Text:3.) You want to make an 80° angle by marking an arc on the perime- ter of a 12-in. diameter disk and drawing lines from the ends of the arc to the disk's center. To the nearest tenth of an inch, how long should the arc be? 4. If you roll a 1-m-diameter wheel forward 30 cm over level ground, through what angle will the wheel turn? Answer in radi- ans (to the nearest tenth) and degrees (to the nearest degree).
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