Question

from a circular sheet of radius 18cm,two circle of radii 4.5 cm and a rectangle of length 4cm breadth 1cm are removed ,find the area of the remaining sheet

Answer 1

Answer:

R=14 cm

total area= πr²

=22/7*196=616 cm²

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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Answer 2

536 cm2


Hope it helps