Math vocab.
Cicumference
The distance around a circle
Radius
A line segment from he center of the circle to any point on the circle
Chord
A line segment with both endpoints on the circle
Diameter
A line segment that passes through the center of the circle With its endpoints on the circle
Central angle
With its vertex at the center of a circle
Arc
A segment of the circle
Semicircle
Half of a circle
Pi
The ratio of the circumference C of any circle to its diameter D
Surface area
The sum of the areas of all the faces of a solid
Net
A two dimensional pattern that you can fold to form a solid(three dimensional figure)
Volume
The measure of the amount of space a solid figure occupies( area of base x H)
Line
A series of points that extends in two opposite directions without ends
Line segment
Consist of two endpoints and all the points of the line between the endpoints
Ray
A line with a starting point, but no ending