Name the following parts from the adjacent figure where ‘O’ is the centre of the circle.

i.

ii.

iii. BC

iv.

v. DCB

vi. ACB

vii.

viii. shaded region

State true or false.

i. A circle divides the plane on which it lies into three parts. ( )

ii. The area enclosed by a chord and the minor arc is minor segment. ( )

iii. The area enclosed by a chord and the major arc is major segment. ( )

iv. A diameter divides the circle into two unequal parts. ( )

v. A sector is the area enclosed by two radii and a chord ( )

vi. The longest of all chords of a circle is called a diameter. ( )

vii. The mid point of any diameter of a circle is the centre. ( )

In the figure, if AB = CD and ∠AOB = 90° find ∠COD

In the figure, PQ = RS and ∠ORS = 48°. Find ∠OPQ and ∠ROS.

In the figure PR and QS are two diameters. Is PQ = RS?