**Interactive distance formula. Click and drag points to see formula in action


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    Quadrilateral

    A quadrilateral is a four sided polygon. Therefore the total number of degrees of interior angles is 360°
    Related: : parallelograms | rhombus| rectangle| square| Is a Square a Rectangle? | trapezoids | Isosceles Trapezoids | Kites | Coordinate Geometry | quiz on quadrilaterals
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