Circles and Semi Circles

The region between the a chord and either of the arcs is called____

• An arc

• A sector

• A segment

• A semi

A ____ drawn from the centre of a circle to the chord, bisects the chord.

• Arc

• Angle

• Perpendicular line

• Diagonal

The angle subtended by the diameter of a semi-circle is:

• 90

• 45

• 180

• 60

If AB and CD are two chords of a circle intersecting at point E, as per the given figure. Then:

• ∠BEQ > ∠CEQ

• ∠BEQ = ∠CEQ

• ∠BEQ < ∠CEQ

• None of the above

In the figure, O is the centre of the circle. What is the measure of ∠ACB?

• 45⁰

• 60⁰

• 70⁰

• 90⁰

Equal _____ of the congruent circles subtend equal angles at the centers.

• Segments

• Radii

• Arcs

• Chords

If chords AB and CD of congruent circles subtend equal angles at their centres, then:

• AB=CD

• AB > CD

• AB < AD

• None of above

If there are two separate circles drawn apart from each other, then the maximum number of common points they have:

• 0

• 1

• 2

• 3

In the below figure, the value of ∠ADC is:

• 60⁰

• 30⁰

• 45⁰

• 55⁰

In the figure, O is the centre of the circle and PR = QR. What is the measure of ∠PQR?

• 60⁰

• 110⁰

• 75⁰

• 45⁰