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# Geometry

### terms for geometry

TermDefinition
Triangle Polygon with 3 sides, 3 angles, and 3 vertices.
Equilateral Triangle All 3 sides are congruent.
Scalene Triangle None of the 3 sides are congruent.
Isosceles Triangle At least 2 sides are congruent.
Equiangular Angles All 3 angles are congruent.
Right Angle One right angle(90 degrees)
Acute Angle All angles are acute(less than 90 degrees)
Obtuse Angle One obtuse angle(more than 90 degrees)
Point a geometric object that has no dimensions, only a location.
Plane Flat surface that extends endlessly in all directions; Two dimensional.
Space The set of all points; 3 dimensional.
Line A set of points along a straight path having no endpoints.
Line Segment Part of a line that has two endpoints.
Ray Part of a line hat has only 1 endpoint.
Angle Two rays joined with a common endpoint; the two rays are called the sides of an angle.
Vertex The common endpoint of an angle.
Intersecting lines Lines that have just one point in common.
Parallel lines Lines that never intersect.
Perpendicular lines Lines that intersect and form right angles.
Skew lines Lines that are not in the same plane and do not intersect.
Degrees A unit of measure of an angle; measured with a protractor.
Created by: 100058014