A cyclic quadrilateral has one of its angles as 90∘ . Also, its radius is 12.5 cm. What is the length of its diagonal?
Option(c) If one of the angles of a cyclic quadrilateral is 90∘ , the diagonal will be as long as the diameter = 25 cm (12.5 x 2)
The quadrilateral formed by angle bisectors of a cyclic quadrilateral is also cyclic. Prove it.
A quadrilateral has two of its angles as 30∘ and 40∘. What type of quadrilateral can it be?