A square is inscribed in a circular table cloth of radius 35cm.If the cloth is to be coloured blue leaving the square,then find the area to be coloured.
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area to be coloured=area of square - area of circle
in circle radius =35cm
area of circle=πr²
=22/7×35×35
=22×35×5
=3850cm²
in square the side of square =diameter of circle
diameter=2×radius
=2×35cm
=70cm
area of square=side²(side×side)
=70×70
=4900cm²
area to be painted=4900-3850cm²
=1050cm²
in circle radius =35cm
area of circle=πr²
=22/7×35×35
=22×35×5
=3850cm²
in square the side of square =diameter of circle
diameter=2×radius
=2×35cm
=70cm
area of square=side²(side×side)
=70×70
=4900cm²
area to be painted=4900-3850cm²
=1050cm²
Krishangela:
that's not the answer the answer is 1400cm^2
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45
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