geometery terms

Point A location in space – a dot on a piece of paper
Line Connects two points and continues forever in both directions
Line Segment Two endpoints connected by a set of points making a segment.
Perpendicular Lines Line Segments that intersect (cross) at an angle of 90°
Parallel Lines Line segements that never intersect.stay the same distance apart
Right Angle An angle that measures 90°
Acute Angle An angle that measures less than 90°
Obtuse Angle An angle that measures more than 90°
Vertex Point at which two line segments intersect (forming an angle)
Scalene Triangle A triangle with all three sides with different lengths
Isosceles Triangle A triangle with two equal length sides
Equilateral Triangle A traingle with all three sides of equal length
Radius Distance from center of a circle to the edge
Diameter A line segment through a circle passing through the circle's center
Chord A line segment joining two points on a curve.
Arc Part of a curve- outside of the circle
Ray Starts at an endpoint and continues in one direction forever