The diagram shows a circle, centre O, radius 10 cm. The points A and B lie on the circumference of the
circle. The tangent at A and the tangent at B meet at the point C. The angle AOB is 0 radians. The length of the minor are AB is 28 cm.
(a) Find the value of 0.
[1]
(b) Find the perimeter of the shaded region.
[3]
(c) Find the area of the shaded region.
[3]