What will be the increase in area of a circle,if its radius is increased by 40%??
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If diameter increases by 40%, radius will also be increased by the same percentage. If radius is 1 unit and increased by 40%, it will become 1.4 units and on squaring it becomes 1.96 (Area of a circle = pi*r*r). Thus, the area increases by 96%.
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here is your answer 96%
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