Prove that the parallelogram circumscribing acircle is a rhombus.A triangle ABC is drawn to circumscribe a circleof radius 4 cm such that the segments BD andDC into which BC is divided by the poiat ofcontact D are of lengths 8 cm and 6 cnmrespectively (see Fig. 4.14). Find the sides ABand AC.Prove that opposite sides of a quadriülateral ccircumscribing a circle subtend supplementarytlg 4.14anglesat the centre of the circle

Prove that the parallelogram circumscribing acircle is a rhombus.A tri

1.	Prove that the parallelogram circumscribing acircle is a rhombus.A triangle ABC is drawn to circumscribe a circleof radius 4 cm such that the segments BD andDC into which BC is divided by the poiat ofcontact D are of lengths 8 cm and 6 cnmrespectively (see Fig. 4.14). Find the sides ABand AC.Prove that opposite sides of a quadriülateral ccircumscribing a circle subtend supplementarytlg 4.14anglesat the centre of the circle
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