dull stud

arc PQ is
A. 120 cm B. 60 cm C. π/6cm D. 2π/3cm E.π^2/18 cm

1. If the central angle of a circle of radius 14 cm cuts off an arc of length 28 cm , then the radian
   measure of the angle is
   A. 2√2 B.2 C.1 D. 4 E. 8π
2. The pendulum on a clock swings through an angle of 2 radians, and the tip sweeps out and
   arc of 6 inches. Then the length of the pendulum is
   A. 3 inches B. 12 inches C. 24 inches D. 12/π inches E. 24/π inches
3. The area of a sector of a circle is 143 cm2and the length of the arc of the sector is 11 cm .
   Then the radius , in cm, of the circle is
   A. 11 B.13/2 C.26 D. 13 E. None of these
4. The figure shows a sector OMN of a circle at centre O with the radius r = 6 cm and

1. A point P is 10 cm away from the centre of the circle of radius 6cm. The length of the tangent
   segment from P to the circle is
   A. 5 cm B. 6 cm C. 7 cm D. 8 cm E. 9 cm