Circles (Geometry) Flashcards
(12 cards)
set of points that lie on a circle and are positioned with in a circle
Arc
A line that connects two points on a circle
Chord
A line that lies from the center to the circle itself
Radius
A line that is in the contains the center and has its endpoints on the circle
Diameter
A line passing through exact two points on the curve
secant
A line that just touches and passes through a point on a curve
Tangent
to divide into two equal sections
Bisect
Identical in size and shape
Congruent
A constant approximately equal to 3.14 used in determining a circles circumference or area.
Pi
The point of intersection between two or more rays often called the corner
Vertex
A _____ has its vertex at the center of a circle and endpoints on the circumference. Its degree measure is equal of its intercepted arc.
Central angle
A _____ has its vertex and endpoints on the circumference. Its degree measure is half that of its intercepted arc.
inscribed angle
