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A circle with circumference 20 has an arc at 72 central angle. what is the length of the arc

A circle with circumference 20 has an arc at 72 central angle. what is the length of the arc
asked 59.2k views
4 votes
A circle with circumference 20 has an arc at 72 central angle. what is the length of the arc

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User Dean Whitehouse
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7.3k points

1 Answer

4 votes

Answer:

4 units

Explanation:


\because \: l = ( \theta)/(360 \degree) * c \\ \\ \therefore \: l = (72 \degree)/(360 \degree) * 20 \\ \\ \therefore \: l = (72 \degree)/(18\degree) \\ \\ \therefore \: l = 4 \: units

answered
User Jimmbraddock
by
7.8k points
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