Arc/Angle Relationships
Chord Relationships
Area and Arc Length
Tangent Relationships
Inscribed in a Circle
100

The name of an angle who's vertex is on the center point and its relation to its intercepted arc.

What is a Central Angle? angle = intercepted arc

100

The definition of a chord.

What is a line segment with both end points on a circle? (Diameter being a special case.)

100

The formula for the area of a circle.

What is A=pi*r2?

100

Two tangents on the same circle to the same exterior point are

What is equal?

100

The measure of angle x

What is 26 degrees?

200

The name of this arc and its relationship to its intercepted arc

What is an inscribed angle? angle = 1/2 intercepted arc

200

The other half of this theorem "In a circle, if the center is equidistant from two chords, then ..."

What is the two chords are equal?

200

The distance around a circle and its formula.

What is circumference, C=pi*d?

200

Where the center of a circle lies if a circle is tangent to two rays.

What is an angle bisector?

200

Another name for a diagonal of an inscribed rectangle.

What is a diameter?

300

This theorem states that when you connect the two end points of a diameter to an inscribed point, the inscribed angle is a right angle.

What is Thale's Theorem?

300

What the radius does when it is perpendicular a chord.

What is bisects the chord?

300

The circumference of a circle with a radius of 3 rounded to the nearest tenth

What is 18.8?

300

The formula to find an exterior angle formed by two tangents.

What is angle = 1/2(major - minor arc)?

300

The measure of angle x

What is 45 degrees?

400

The measure of arc BD on circle A.

What is 70 degrees?

400

If two chords in a circle are equal their corresponding arcs are...

What is equal?

400

The arc length of a circle with a radius of 10 and a central angle of 90 degrees to the nearest tenth.

What is 15.7?

400

The relationship between angle a and arc b shown here.

What is a=1/2*b?

400

The relationship between opposite angles in an inscribed quadrilateral.

What is Supplementary? 
500


The measure of angle x.

What is 44 degrees?

500

The measure of ED.

What is 4?

500

The area of a sector of a circle with diameter 18 and a central angle of 75 degrees to the nearest tenth.

What is 53.0?

500

The theorem that states that the measure of angle a equals the measure of angle DBE.

What is the alternate segment theorem?

500

The measure of the opposite angle in an inscribed quadrilateral to an angle that is 62 degrees.

What is 118 degrees?

M
e
n
u