4.2 O is the centre of the circle below. OM L AC. The radius of the circle is equal to 5 cm and BC=8 cm.

4.2.1 Write down with reason, the size of BĈA (2)

4.2.2 (i) The length of AM, with reasons (3)

(11) Area A0M: Area AABC [25] (4)​