Questions asked by Jini A.

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• In the figure AB is the diameter of the circle. PQ, RS are perpendicular to AB. Also #"PQ" = sqrt(18) "cm"#, #"RS" = sqrt(14) "cm"#. Find the diameter of this semicircle? Draw a semicircle of the same diameter and construct a square of area #20 "cm"^2#?
  
• In triangle ABC, AB=AC.The circle through B touches the side AC at the mid-point D of AC, passes through a point P on AB. Prove that 4 ×AP = AB ?