from a cirular card sheet of radius 16cm,two circles of radius 3cm and a rectangle of lenth 2.5cm and bbreadth 1 cm are removed find the area of the remaining sheet.
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Area of circular card sheet
= pi x 16^2 = 804.247 sq cm
Area of 2 circular cut out
= 2 x pi x 3^2 = 56.548 sq cm
Area of rectangular cut out
= 2.5 x 1 = 2.5 sq cm
Remaining area of circular card sheet after cutout = 804.247 - 56.548 - 2.5
= 745.20 sq cm
= pi x 16^2 = 804.247 sq cm
Area of 2 circular cut out
= 2 x pi x 3^2 = 56.548 sq cm
Area of rectangular cut out
= 2.5 x 1 = 2.5 sq cm
Remaining area of circular card sheet after cutout = 804.247 - 56.548 - 2.5
= 745.20 sq cm
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