Geometry Lesson 24 Flashcards
What is a radius?
The radius is the the line on a circle from the center point, to any side.
What is a chord?
A chord is a segment that goes from one side of a circle to another, the diameter is a chord.
What is a diameter?
A diameter is the longest chord on the circle, it passes through the center point.
What is a tangent line?
A tangent line is a line that touches only 1 point on the circle.
What is the point of tangency?
The point of tangency is where the tangent line and the part of the circle it is touching connect.
What is the center point?
The center point is the direct middle of the circle, it is how most of the other parts of a circle are formed.
What is an arc?
A arc is like a horizon, it goes around the circle on the curving part. It goes from one part of a chord, to the other. That includes the diameter.