General Circles
The angle formed by joining the endpoints of an arc to the center of the circle.
What is a central angle?
A tool used for drawing circles.
What is a compass?
How many tangent lines can be drawn from one external point to a circle?
What is two?
The angle formed by joining the endpoints of an arc to a point on the circle.
What is an Inscribed Angle?
To cut in half.
What is "to bisect"?
What angle does a tangent and a radius of a circle make?
What is 90 degrees?
A chord that is ninety degrees to a tangent is also known as this.
What is a diameter?
This angle is twice the inscribed angle when they correspond to the same arc.
What is a Central Angle?
The arc that is created by the diameter of a circle.
What is a semicircle?
If two chords are intercepted by congruent central angles, then these chords are
What congruent?
These types of angles are equal when they correspond to the same arc
What are Inscribed Angles?
A straight line that goes from one side of the circle to the other side of the circle through the center.
What is a Diameter?
If you were to draw two different chords and bisect them, the two bisectors would intersect at this point.
What is the center (origin) of the circle?
All inscribed angles that correspond to a semicircle are this.
What are Right Angles?