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4th grade geometry

A closed flat shape with straight sides. Polygon
Any four sided polygon. Quadrilateral
A closed, curved shape in which all points on the shape are the same distance from its center. Circle
A polygon with ten sides. decagon
A triangle in which all sides are the same length and all angles are the same measure. Equilateral triangle
A polygon with six sides Hexagon
A triangle with at least two sides of equal length and two angles of equal measure. Isosceles
A polygon with eight sides octagon
A polygon with five sides pentagon
A quadrilateral that has two pairs of parallel sides Parallelogram
A quadrilateral that has four right angles Rectangle
A polygon in which all sides have equal lengths and all angles have equal measures. Regular Polygon
A triangle whose largest angle measures 90 degrees. Right Triangle
A triangle with three sides of different lengths Scalene triangle
Created by: Connie Ortwein