Chord Central Angles Conjecture
If two chords in a circle are congruent, then they determine the two central angles are congruent
Chord Arc Conjecture
Two congruent chords in a circle intersect two congruent arcs.
Perpendicular to Chord Conjecture
The perpendicular segment from the center of a circle to a chord is the bisector of a chord
Chord distance to center Conjecture
Chords equidistant from the center of a circle are congruent
Perpendicular Bisector of a chord Conjecture
The perpendicular bisector of a chord passes through the center of a circle
A tangent to a circle is perpendicular to the radius at the point of tangency
Tangent Segments Conjecture
Tangent segments to a circle from a point outside the circle are congruent
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.