a piece of wire is bent in the shape of a square of each side 6.6cm . It is rebent to form a circular ring .What is the diameter of the ring ?
Answers
Answered by
6
Answer:
Each side= 6.6 cm.
No. Of sides=3
Therefore, perimeter of the triangle=6.6×3=19.8cm
Therefore length of the wire=19.8cm
When the wire is bent to a circular ring, perimeter i.e, circumference of the circle will be still 19.8cm.
Therefore,
2πr=19.8
=> 2r=19.8/π
Since diameter is equal to twice the radius of the circle,we can say that Diameter=19.6/π
= 19.8×7/22
=6.3cm
Hence the diameter of the circle is 6.3cm.
Hope this helps you.
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Answered by
4
Answer:
its ans is 6.3cm
Step-by-step explanation:
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