on a square handkerchief nine circular designs of radius 7ch each mad3r. find portion remaining
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Answer:
HOLLLLAAAA
REFER TO THE ATTACHMENT
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@brainly..
Side of the square--
3*diameter of circle=42cm
Area of the square=42*42=1764cm²
Area of 9 circles=9*πr²
=9*22/7*49
=1386cm²
Portion remained=1764-1386=378cm²
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