Two coins of diameter 2cm and 4cm respectively are kept one over other Shown in fog find area of shaded region ring shaped sq
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To get the area of the shaded area, we must get the area of the larger coin and the area of the smaller coin then we get their differences.
Area of small coin:3.142×1×1=3.142cm2
Area of larger coin=3.142×2×2=12.568cm2
Difference :12.568-3.142=9.426
9.426cm2
Area of small coin:3.142×1×1=3.142cm2
Area of larger coin=3.142×2×2=12.568cm2
Difference :12.568-3.142=9.426
9.426cm2
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