Prove that a parallelogram circumscribed about a circle is a rhombus. , 10 | circle | MATHS | NC...

Prove that the parallelogram circumscribing a circle is a rhombus.

Prove that the parallelogram circumscribing a circle is a Rhombus.

Prove that the rectangle circumscribing a circle is a square

If all the side of a parallelogram touch a circle, show that the parallelogram is a rhombus.OR Prove that a parallelogram circumscribing a circle is a rhombus.

A right angled trapezium is circumscribed about a circle. Find the radius of the circle. If the lengtyhs of the bases (i.e.parallel sides ) are equal to a and b.

Given many parallelograms,prove that a circle can be inscribed only in a rhombus.

Assertion(A) If two tangents are drawn to a circle from an external point then they subtend equal angles at the centre. Reason (R ) A parallelogram circumscribing a circle is a rhombus