Given,
A circle touches the sides AB, BC, CD and DA of a quadrilateral ABCD at points P, Q, R and S respectively.
,
,
Let
As and are the tangents.
Similarly,
and
So, In
(This is the property of a cyclic quadrilateral)
Therefore, .
Given,
A circle touches the sides AB, BC, CD and DA of a quadrilateral ABCD at points P, Q, R and S respectively.
,
,
Let
As and are the tangents.
Similarly,
and
So, In
(This is the property of a cyclic quadrilateral)
Therefore, .