- Callum Marshall
i. Describe the relationship between the "angle at the centre" and the angle "on the circumference" subtended by the same arc. (Angles, DAC and DEC) ii. Draw a line passing through A and E to help you 'prove" the observation you made in part i...
iii. What can you deduce about the two angles on the circumference of the circle, and why? Hint: measure the angles...!
PROVE that X is equidistant from B, O and C.