a wire is in the shape of square with each side of 16.5 CM is bent in the shape of a circle find the circumference and diameter of the circle
Answers
a wire is in the shape of square with each side of 16.5 CM is bent in the shape of a circle find the circumference and diameter of the circle
circumference = 2πr
Answer:
The diameter of circle so formed is 21 cm
Step-by-step explanation:
So the side of square is 16.5 cm
It is bent to form a circle
Therefore perimeter of square will be equal to circumference of circle
Perimeter of square = 4 x side
Substitute the value and you get
Perimeter of square = 4 x 16.5
= 66 cm
So the circumference of circle is 66 cm ( perimeter of square = circumference of circle )
Now the circumference of circle = πd
Substitute the values and you get
66 = 22/7 x d
d = 66 x 7/22
d = 21 cm
Therefore the diameter of circle so formed is 21 cm
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