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| 1. |
1. In the figure ,quad. ABCD Circumscribes the circle.Find the length of the side CD. |
| Answer» Tangents drawn from am external point to a circle\xa0are equal in lengthso from the diagram we getAH\u200b= AE\u200b; DH = DG; CG\u200b=CF\u200b4−x=x y=2y−32x=4 y=3\u200bx=2\u200bAs\xa0x=2 DH = 5 − AH = 5−(4−x) =3as\xa0DH=DG DG=3So Length of\xa0CD=CG+GD=3+3=6 | |