The diagram shows a circle with centre O. A, B and Care points on the circumference. AD and CD are tangents to the circle and ABE is a straight line. Angle CDO is 24° 8) Not to scale E D Find the size of angle CBE
15) A, B, C and D are points on the circumference of a circle. Angle BCD is 28° and angle ADC is 24° B a) Find the sizes of angles x and y. WOUL (246 D 280 121 b) Give a reason for your answers. С Not to scale