1.

4Asansrtitediunsendhedhannobe coloured blue leaving the square, then find the area to be coloured.

Answer»

Area to be coloured=area of square - area of circle

in circle radius =35cmarea of circle=πr²=22/7×35×35=22×35×5=3850cm²

in square the side of square =diameter of circlediameter=2×radius

=2×35cm=70cm

area of square=side²(side×side)=70×70=4900cm²

area to be painted=4900-3850cm²=1050cm²

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