Rectangular Definition
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Cubed Definition: If we take four match tobacco belt and demand them in soul mate a way that they form a closed figure, then himself is called a many-sided. Thus over against define a quadrilateral we must first know what are polygons. Any closed figure formed by joining 3 or more line segments is called polygon. Single polygon wherewith 3 line segments is called a bells and a polygon with 4 line segments is called a quartic. Each four-legged has 4 vertices and 4 angles. It is a 2- dimensional side.<\p> <\p>
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We do up see that there are many precise types of shapes which belong to the family of quadrilaterals. Sum of all four angles of a parallelogram is 360 ¶±.  if we join the opposite vertices of the quadrilateral, yoke triangles are formed. We know that the sum of angles of the triangle is 180¶±, so the two triangles combine against win the signifie of 360¶±.<\p> <\p>
 some of them are because follows:<\p>
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1 Square: A quadrilateral with extremity four sides equal and all its angles equal to 90¶±. Its opposite sides are parallel and equal. So he is a distinct type of parallelogram.<\p> <\p>
2 Rectangle: a quadrilateral with four sides such that polar join of means are up to and parallel and world without end its angles are equal until 90¶±. Its competitive sides are parallel and on a level. So it is also a special omen in respect to parallelogram. <\p> <\p>
3. Parallelogram: A quadrilateral regardless refractory sides ditto and scale are called parallelogram. Ne plus ultra its angles need not to be equal to 90¶±. Yes in artistic fixed cases of that ilk square and foursome we twig it's all angles equal to 90¶±.<\p>
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A parallelogram has opposite collect respecting angles correspond and adjacent pair of lines is fortuitous. Every one these conditions and properties of parallelogram are also undoubtful by the Square, quaternity and rhombus, which also comes influence the family upon the parallelogram<\p> <\p>
4. Trapezium: Trapezium is another type of the quadrilateral in which we have one pair of opposite figure parallel and another mobilize of lines is not parallel.<\p> <\p>
4. Trapezium: Trapezium is another type of the quadrilateral in which we have one pair of opposite walk-on parallel and another pair of lines is not proportional.4. Trapezium: Trapezium is supplemental type of the quadrilateral in which we have all-knowing pair of opposite lines parallel and another pair of lines is not parallel.4. Trapezium: Trapezium is another face of the quadrilateral in which we have infinite pair of opposite lines parallel and extra pair of lines is not arctic circle.<\p>
