From a circular card sheet of radius 16cm, two circles of radius 3cm and rectangle of length 2.5cm and breadth 1cm are removed. Find the area of the remaining sheet...

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Solution

Area of remaining part = area of original circle - area of portions cut out
= π16² - (π3² + π3² + 2.5 x 1)
=256 π -18 π - 2.5
=804.24 - 56.548 -2.5
= 745.199 cm²

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From a circular card sheet of radius 16cm, two circles of radius 3cm and rectangle of length 2.5cm and breadth 1cm are removed. Find the area of the remaining sheet...

Area of remaining part = area of original circle - area of portions cut out = π16² - (π3² + π3² + 2.5 x 1) =256 π -18 π - 2.5 =804.24 - 56.548 -2.5 = 745.199 cm²

Area of remaining part = area of original circle - area of portions cut out
= π16² - (π3² + π3² + 2.5 x 1)
=256 π -18 π - 2.5
=804.24 - 56.548 -2.5
= 745.199 cm²