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Geometry Basics II


Pentagon A polygon with five sides
Hexagon A polygon with six sides
Octagon A polygon with eight sides
Decagon A polygon with ten sides
Regular Polygon A polygon in which all the sides and angles are equal
Square A quadrilateral that has four equal sides and four right angles
Rectangle A quadrilateral with four right angles and two pairs of parallel sides. The opposite sides must be equal, but all four sides may not be.
Parallelogram A quadrilateral with two pairs of parallel sides
Rhombus A quadrilateral that has four equal sides, but no right angles
Trapezoid A quadrilateral with exactly one pair of parallel lines
Equilateral Triangle A triangle that has three equal sides and three equal angles
Right Triangle A triangle in which two sides meet at a ninety-degree angle
Isosceles Triangle A triangle that has at least two equal sides and angles
Scalene Triangle A triangle in which all three sides have different lengths
180 degrees The sum of the angles for any angle
Created by: Rvanmeter