from a circle of diameter 21cm . two circle of diameter 2/3 and 1/3 of the diameter of the big circle have been drawn . Find the area of the remaining big circle.
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Answer:
153.86
Step-by-step explanation:
remaining big circle is the 2/3 diameter of the big circle.
2/3×21=14
radius=14/2=7
so area=pi×r square=3.14×7 square= 153.86
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