Q16. A piece of wire 132 cm long is bent into the form of a circle. What is the diameter of the diameter of the circle?
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Answer:
Sorry sister I don't know that answer
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Explanation:
area of the circle is equal to Pi r square
A=πr2
circumference of a circle is equal to 2 Pi r
C=2πr
we know that,
the length of the wire is equal to the circumference of the circle
2πr= 132
r= 66/ π. [ π= 22/7]
r= 21
d= 2 r
d= 42
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