Friday, August 29, 2014

circle

In the diagram given below, if AD = DC and AB = AC, then show that AP = 1/4 AB

 



















Answer:
AB x AP = AD^2
AD = 1/2 AC = 1/2 AB
therefore, AB x AP = (1/2 AB) x (1/2 AB)
or, AP = 1/4 AB

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