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The measure of the central angle of a sector of a circle is 90°. The arc length of the sector is 2pi cm. What is the radius of the circle in centimeters?
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4 votes
The measure of the central angle of a sector of a circle is 90°. The arc length of the sector is 2pi cm. What is the radius of the circle in centimeters?

User Chessweb
by
8.9k points

1 Answer

2 votes

Answer:

Explanation:

2πr/4=2π

r/4=1

r=4 cm

User Pogo
by
7.1k points
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