Question

Piece of wire made ib form of square of side 5.5cm is cut and moulded in circle .Find radius of circle

Answer 1

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Answer 2

The radius of circle is 0.875 cm

Step-by-step explanation:

Side of square = 5.5 cm

Perimeter of square = 4 \times Side

Perimeter of square = 4 \times 5.5

Perimeter of square = 22 cm

We are given that Piece of wire made ib form of square of side 5.5 cm is cut and molded in circle

So, Perimeter of square = Circumference of circle

So,$5.5 = 2 \pi r$

$5.5 = 2 \times \frac{22}{7} \times r$

$\frac{5.5 \times 7}{2 \times 22}=r$

0.875=r

Hence The radius of circle is 0.875 cm

#Learn more:

If a wire of 440m lengh is moulded in the form of a circle and a square turn by turn,find the ration of the circle to that square ​

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