form a circular card sheet of radius 14cm, two circles of radius 3.5cm and a rectangle of length 3cm and breadth 1cm are removed find the area of the remaining sheet
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Given that r=14 cm
total area= πr²
=22/7*196=616 cm²
Also r2= 3.5 cm
area of the small circles=
2*πr²=2*12.25*22/7=77 cm²
length of rectangle=3
breadth=1
area =lb=3 cm²
area of the small circles+area of
rectangle=77+3=80 cm²
remaining area=616-80=536 cm²
total area= πr²
=22/7*196=616 cm²
Also r2= 3.5 cm
area of the small circles=
2*πr²=2*12.25*22/7=77 cm²
length of rectangle=3
breadth=1
area =lb=3 cm²
area of the small circles+area of
rectangle=77+3=80 cm²
remaining area=616-80=536 cm²
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