A round plate has an area 28.26 sq.cm. Find the circumference
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Answer:
18.787
Step-by-step explanation:
given,area of round plate=πr²=28.26sq.cm
so,radius of the plate=r=√(28.26÷π)=2.99cm
circumference of the plate=2πr=2×π×2.99=18.787cm
∴circumference=18.787cm
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