Circles with Segments

Find the measure of KM. Assume that lines which appear to be tangent are tangent.

• 18

• 10

• 17

• 21

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

• semi-circle arc

• major arc

• minor arc

• sector

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

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC

How many chords?

• 1

• 2

• 3

• none

Which can meet at an EXTERNAL point of a circle? Check ALL that apply.

• chord and secant

• secant and secant

• tangent and secant

• tangent and tangent

• chord and tangent

Which can meet at an INTERNAL point of a circle? Check ALL that apply.

• chord and secant

• secant and secant

• tangent and secant

• tangent and tangent

• chord and tangent