Types of quadrilateralsThe types of quadrilaterals can be classified by relationships of their sides and angles. Parallelogram: A foursided polygon with two pairs of parallel and equal sides. The following is a parallelogram. Rectangle: A rectangle is a parallelogram with 4 right angles. The following is a rectangle. Square:A square is a rectangle with 4 equal sides.The following is square Rhombus: A rhombus is a parallelogram with 4 equal sides. The following is a rhombus. Trapezoid: A trapezoid is a quadrilateral with only one pair of parallel sides. The following are trapezoids. Scalene trapezoid: A scalene trapezoid is a trapezoid with no equal sides.The following is a scalene trapezoid Rightangled trapezoid: A rightangled is a trapezoid with two right angles. The following is a rightangle trapezoid. Isosceles trapezoid: In an isosceles trapezoid, nonparallel sides are equal. The following is an isosceles trapezoid. 




Homepage Basic geometry 
Types of angles
Complementary and supplementary angles
Types of polygons
Convex polygons
Concave polygons
Types of triangles
Types of quadrilaterals
Solid figures
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