1. Diagram NOT accurately drawn The diagram shows a circle, centre O. and are points on the circumference of the circle. A, S, B T and are tangents to the circle. PT PS is parallel to AB TP. Angle = 44°. SPT Work out the size of angle SOB. ..................................° (Total 4 marks) 2. and are four points on the circumference of a circle. A, B, C D and are straight lines. ABE DCE Angle = 25°. BAC Angle = 60°. EBC (a) Find the size of angle ADC. .........................° (1) (b) Find the size of angle ADB
1. Diagram NOT accurately drawn The diagram shows a circle, centre O. A, S, B and T are points on the circumference of the circle. PT and PS are tangents to the circle. AB is parallel to TP. Angle SPT = 44°. Work out the size of angle SOB. ..................................° (Total 4 marks) 2. A, B, C and D are four points on the circumference of a circle. ABE and DCE are straight lines. Angle BAC = 25°. Angle EBC = 60°. (a) Find the size of angle ADC. .........................° (1) (b) Find the size of angle ADB