find the area of a circle made of 1m wire?
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Answer:
0.16π r² is the area of circle.
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Answer:
circumference of the circle = 1m
Formulas :
i) Circumference of circle = 2πr
ii) area of circle πr²
we have to find its radius
We know , 2πr=1m (π=22/7)
2×22/7×r=1m
therefore, r= 1×7/22×2
Now , area of the circle is
22/7×(1×7/22×2)²
= 22/7×7/44×7/44
= 7/88 is your answer
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