Prove that the parallelogram circumscribing a circle is a rhombus .
To prove - Parallelogram circumscribing circle is a rhombus.
Theoram - lengths of tangents drawn from external point are equal Hence, using this theorem.
____(ii)
_____(iii)
_____(iv)
______(v)
(ii), (iii), (iv), (v)
&
(parallelogram)
Similarly
Hence all sides are equal ABCP is a rhombus.