Parts of circles
Angles and Arcs
Arcs and Chords
Inscribed angles
Tangents
100
A circle is the set of all points in a plane that are a given distance from a given point in a plane called what?
What is the center.
100
This is an angle whose vertex is the center of the circle.
What is the central angle.
100
When a minor arc and a chord have the same endpoints we call this what?
What is the arc of the chord.
100
If an angle is inscribed in a circle, then the measure of the angle equals ____________ the measure of the intercepted arc.
What is one half.
100
If a line is tangent to a circle then it is what to the radius drawn to the point of tangency.
What is perpendicular.
200
This is a segment that has its endpoints on the circle.
What is a chord.
200
A central angle separates the circle into what?
What are arcs.
200
In a circle, if a diameter is perpendicular to a chord, then it does what to its chord and its arc?
What is BISECTS the arc and the chord.
200
Describe an inscribed angle using the words vertex and chords.
What is an inscribed angle has its vertex on the circle and whose sides contain chords of the circle.
200
If two segments from the same exterior point are tangent to the circle then they are _____________
What is congruent.
300
This is a chord that contains the center of the circle.
What is the diameter.
300
Minor arcs are less than what degree?
What is 180 degrees.
300
In a circle, two minor arcs are congruent if and only if their corresponding ____________ are congruent.
What is chords.
300
Describe the intercepted arc.
What is the arc formed by the inscribed angle.
300
If two chords intersect in a circle, what can we conclude about the measures of the chords.
What is the product of the measure of the segments of the chords are equal.
400
This segment has one endpoint at the center of the circle and one endpoint on the circle.
What is the radius.
400
This arc is greater than 180 degrees.
What is the major arc.
400
In a circle, two chords are congruent is and only if they are ______________ from its center.
What is equidistant.
400
If an inscribed angle of a circle intercepts a semicircle then is angle is what?
What is a right angle.
400
when is the test?
What is TOMORROW! :)
500
What is the name of a line that intersects a circle in exactly one place?
What is a tangent line.
500
Half a circle is known as what?
What is a semicircle.
500
If the diameter is perpendicular to arc ABC and its chord and ABC is equal to 40 degrees, find the measure of arc AB and BC.
What is 20 degrees each.
500
If a quadrilateral is inscribed in a circle, then its opposite angles are what?
What is supplementary.
500
What can you use on the test?
What is exit tickets and notes! so STUDY STUDY STUDY!
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