Question

proof theorem of concylic quadrilateral

Answer 1

Answer:

Step-by-step explanation:

we have seen that the opposite angles of a cyclic quadrilateral add up to 180 degrees a quadrilateral is cyclic. when a circle passes through all its four vertices of course. ... we are given that quadrilateral ABCD is cyclic. and we have to prove that it's opposite angles add up to 180.