Draw any circle and mark: A segment
A region in the interior of a circle enclosed by a chord and an arc is called a segment of the circle.
In the above figure, AB is the segment of the circle.
Question 3(e):
Draw any circle and mark:
A segment
Question 3(b):
Draw any circle and mark: A radius.
Question 3(c):
Draw any circle and mark: A diameter.
Question 3(a):
Draw any circle and mark: Its centre