1.

From a circular card sheet of radius 14 cm, two circles of radius 3.5 cm and arectangle of length 3 cm and breadth 1cm are removed. (as shown in the adjoining Figure). Find the area of the remaining sheet. (Take π=22/7)

Answer» <p>R=14 cmtotal area= πr²=22/7*196=616 cm²r2= 3.5 cmarea of the small circles= 2*πr²=2*12.25*22/7=77 cm²length of rectangle=3breadth=1area =lb=3 cm²</p><p>area of the small circles+area of rectangle=77+3=80 cm²</p><p>remaining area=616-80=536 cm²</p>


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