Chords/Chord Angles

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG.

• 40π feet

• 35π feet

• 11π feet

• 22π feet

Find x

• 10

• 5

• 18

• 9

In  a circle, if a radius or diameter is perpendicular to a chord, then it____ the chord and its arc.

• equals

• bisects

• arcs

• circles

What is being represented in the image?

• Chords

• Tangents

• Exterior Angle

• Central Angle

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

• Equal

• different

Segments with endpoints on a circle are called _____.

• arcs

• radii

• chords

• polygons

Equal chords subtend _________ angles at the centre.

• different angle

• equal

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

How many chords?

• 1

• 2

• 3

• none

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

• 150°

• 100°

• 210°

• 105°