Question

cyclic quadrilateral properties with draw​

Answer 1

$\huge\star\underline\mathrm\pink{cyclic\: quadrilateral}$

• In a cyclic quadrilateral ,the sum of a pair of opposite angle is 180°
• If the sum of the two opposite angle are supplementary ,then it's a cyclic quadrilateral
• The area of cyclic quadrilateral is
• = √(s-a)(s-b)(s-c)(s-d)
• The four vertices of a cyclic quadrilateral lie on the circumference of the circle