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Geometry Grade 3

Vocabulary for the Geometry Cluster

What geometric figure goes on in either direction without an end? Line
What geometric figure has an end point and continues in one direction? ray
What geometric figure has two end points? line segment
Angle less than 90 degrees. acute
Angle more than 90 degrees. obtuse
Angle exactly 90 degrees. right
All four sided shapes. quadrilateral
Four sided shape with all four equal sides and right angles. square
Four sided shape with only one set of parallel lines. trapezoid
Four sided shape with all four sides equal and obtuse and acute angles. rhombus
Closed shapes with many different sides. polygons
Two lines that cross over each other. Intersecting
Two lines that cross over each other to form right angles. perpendicular
Created by: phhill