Question

11. A rectangular sheet of paper is 55 cm by 35 cm. From it 32 circular buttons, eachof radius 3.5 cm, have been cut out. Find the area of remaining sheet. by​

Answer 1

Answer:

Area of Rectangle = 1*b

Area of Rectangular sheet-55*35 =1925

Area of circle= pi +r ^2

Area of Circular one button-(3.14)*(3.5)*(3.5)

= 38.465

Area of 32 Circular buttons- 38.465*32

=1230.88

Area of remaining sheet-1925 - 1230.88 =694.12

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