II. Prove that the parallelogram ccircle is a rhombusA triangle ABC is drawn to circumscribe a circleof radius 4 cm such that the segments BD andDC into which BC is divided by the point ofcontact D are of lengths 8 cm and 6 cmrespectively (see Fig. 10.14). Find the sides ABand AC.12.13. Prove that opposite sides of a quadrilateralC-circumscribing a circle subtend supplementary

II. Prove that the parallelogram ccircle is a rhombusA triangle ABC is

1.	II. Prove that the parallelogram ccircle is a rhombusA triangle ABC is drawn to circumscribe a circleof radius 4 cm such that the segments BD andDC into which BC is divided by the point ofcontact D are of lengths 8 cm and 6 cmrespectively (see Fig. 10.14). Find the sides ABand AC.12.13. Prove that opposite sides of a quadrilateralC-circumscribing a circle subtend supplementary
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