1.

ABC is an isosciles triangle a circle is such that it parses though vertex C and AB acts as a tangent at D for the same circle AC and BC intersects the circle at E and F respectively AC = BC = 4 cm. and AB = 6 cm. also D is the mid-point of AB. What is the ratio of EC : (AE+AD)?

Answer»

`1 : 2`
`1 : 3`
`2 : 5`
none of these

Answer :B


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