Question

D
1) In the adjoining figure, O is the centre of a circle in which
A OCE is an isosceles triangle. Prove that BC = 3AD
С
A
E
0
B​

Answer 1

Answer:

triangle oce is an isosceles triangle measure of angle cob 60 semi circle measure is180 therefore

180-60 =120 hence bc= 3 ad

Answer 2

Answer:

to prove that arcBC=1/3AD