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ERM 7th Geometry

Geometry Terms

a figure that cannot be traced with the same starting and stopping points open figure
a figure in a plane that can be traced with the same starting and stopping points closed figure
a closed figure made of line segments that do not cross polygon
a point that is common to two sides of a polygon or an angle vertex
a line segment that connects one vertex to another vertex diagonal
an exact location in space point
a set of points that form a straight path extendending in opposite directions without end line
a part of a line that has one endpoint and continues without end in the other direction ray
a part of a ray or line that has two end points line segment
line segments that have the same length congruent lines
a five sided shape pentagon
a three sided shape triangle
a six sided shape hexagon
a four sided shape quadrilateral
a ten sided shape decagon
lines tht meet or cross each other intersecting
lines that never intersect parallel lines
lines that intersect to form a 90 degree angle perpendicular lines
a trangle that has no congruent sides scalene
a triangle with at least 2 congruent sides isosceles
a triangle with 3 congruent sides equilateral
a triangle with three acute angles acute triangle
a triangle with 1 right angle right triangle
a triangle with 1 obtuse angle obtuse triangle
a quadliteral with both pairs of opposite sides parallel and congruent parallelogram
a parallelogram with 4 congruent sides rhombus
a parallelogram with 4 right angles a rectangle or square
a quadliteral with 4 congruent sides square
a quadliteral that has exactly 1 pair of parallel sides trapezoid
Created by: supermommorris