# Area of a cyclic quadrilateral Calculator

## Calculates the area and perimeter of a quadrilateral inscribed in a circle given four sides.

 side a side b side c side d 6dgt10dgt14dgt18dgt22dgt26dgt30dgt34dgt38dgt42dgt46dgt50dgt area S perimeter L
 $\normal Brahmagupta's\ formula \\\vspace{5}(1)\ area:\ S=\sqrt{(s-a)(s-b)(s-c)(s-d)}\\\hspace{150} s={\large\frac{a+b+c+d}{2}}\\\vspace{5}(2)\ perimeter:\ L=2s=a+b+c+d$

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