Question
A square and a rhombus lie on a common base and the
rhombus is inclined at an angle of 30° with the base. Find the ratio of the areas of the square and the rhombus?Solution
(area of square)/(area of rhombus) =side² /(b×h sin30) =x² /x²×1/2 =1/1/2 =2/1 =2:1 
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ii. Fi and Ai have one man between them
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