A. If the sector formed by a central angle of 30 has an area of 3 4 square centimeters, find the radius in centimeters of the circle. Give exact answers. Find the arc length. Give exact answers.

B. In the problem below, point moves with angular velocity on a circle of radius . Find the distance traveled by the point in time . Give exact answer.

= 10 rad/sec , = 3 ft, = 1 min