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Re: geometry qstn!!!..help needed??
by Jayesh Kumar - Monday, 4 June 2012, 09:19 AM
  Please suggest how to do this:
ABC is a isosceles triangle where AB = AC = 13 cm. I is the incentre of ABC such that AI = 7cm. Also BC = 20cm. Find ∠ACB?
(a) 40' (b) 45' (c) 50' (d) Data insufficient