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10.1 In the diagram below, O is the centre of the circle. P, T and S are points on the circumference of the circle. PS, PT and OT are drawn
Prove the theorem which states that SÔT = 2 x SPT. (5)
10.2 In the diagram, O is the centre of the circle. Points A,B,C and D lie on the circumference of the circle. BOD is a diameter. AC and BD intersect at E. A1 =51o and B1 = 29o .
10.2.1 Determine the size of 
1. (2)
10.2.2 Determine the size of 
2 . (2)
10.2.3 Determine the size of 
. (1)
10.2.4 DEtermine the size of 
. (3)
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