470,605 views
21 votes
21 votes
a circle has a radius of 20 centimeters and a central angle that measures 216 degrees find the length of the arc defined by this central angle

User Mellow
by
2.9k points

1 Answer

24 votes
24 votes

Answer:

24π cm.

or

75.40 cm to the nearest hundredth

Explanation:

The circumference = 2 π r = 2 * π *20

= 40π cm.

Length of the arc = 40 π * 216/360

= 40 * 0.6 * π

= 24π cm

User Doradus
by
2.6k points
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