166k views
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
3.7k points

1 Answer

2 votes

Answer:

Explanation:

2πr/4=2π

r/4=1

r=4 cm

User Pogo
by
3.5k points