11.Prove that the parallelogram circumscribingacircle is a rhombusA triangle ABC is drawn to circumscribe a caof radiusDC into which BC is divided by the point ofcontact D are of lengths 8 cm and 6 emrespectively (see Fig. 4.14). Find the sides ABand AC.12.4 cm such that the segments BD andilateral c6 cm13. Prove that opposite sides of a quadrilateral c

11.Prove that the parallelogram circumscribingacircle is a rhombusA tr

1.	11.Prove that the parallelogram circumscribingacircle is a rhombusA triangle ABC is drawn to circumscribe a caof radiusDC into which BC is divided by the point ofcontact D are of lengths 8 cm and 6 emrespectively (see Fig. 4.14). Find the sides ABand AC.12.4 cm such that the segments BD andilateral c6 cm13. Prove that opposite sides of a quadrilateral c
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