Segments Angles and Arcs in Circles

A(n) _____ to a circle is a line, ray or segment in the plane of the circle that intersects the circle in exactly one point.

• tangent

• secant

• radius

• arc

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

Equal chords subtend _________ angles at the centre.

• different angle

• equal

If two chords subtend equal angle at the centre then the chords are ______________

• Equal

• different

In circle X, chords AB and CD are congruent and AB is 9 units from X. Find the distance from CD to X.

• 4.5 units

• 9 units

• 18 units

• cannot tell

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

• An arc

• A sector

• A segment

• A semi

This is a picture of ___________.

• Minor Arc

• Major Arc

• Semi-Circle

• Central Angle

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 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