Question

From a circular card sheet of radius 14 cm, two circles of radius 3.5 cm
and a rectangle of length 3 cmand breadth 1 cm are removed. (As shown in the adjoining figure). Find the area of the remaining sheet. (Take =22/7 ).​

Answer 1

Answer:

area of total circular card sheet= π(14)²= 196πcm²

area of two small circles = 2×π×(3.5)²cm²=24.5πcm²

and, area of rectangle,= (3×1)cm² =3cm²

so, the area of remaining part= (196π-24.5π-3)

= 171.5π-3

= 539-3

= 536cm²

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