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Q.3 Draw any circle and mark
(a) its centre
(b) a radius
(c) a diameter
(d) a sector
(e) a segment
(f) a point in its interior
(g) a point in its exterior
(h) an arc
Answer :

(a) The centre of the circle is O.
(b) The radius is OC
(c) A diameter is AB
(d) A sector is AOC
(e) A segment is PQ
(f) A point in its interior is F
(g) A point in its exterior is E
(h) An arc is PQ