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Area of a regular polygon of n sides is ...

Area of a regular polygon of n sides is given by A=`n(sqrt(3))/(4)a^(2)sq`. Units . Make 'a' the subject of the formula and find 'a' if the area of a hexagon is `54sqrt(3)` sq. units.

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The correct Answer is:
` a= sqrt((4A)/(nsqrt3))`, 6 units
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