This is circle based question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15
In the given figure, O is the centre and AOE is the diameter of the semicircle ABCDE.
AB = BC and ∠AEC = 50°,
Now we have to find : (i) ∠CBE (ii) ∠CDE (iii) ∠AOB.
Also we have to Prove that OB is parallel to EC.
ICSE Avichal publication
Understanding ICSE Mathematics
Question no 12