the different the circumference of two circle is 15.7 cm. if the Radius of the smaller circle is 2.5cm .find the diameter of the bigger circle. (ratio= 3.14)
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circumference of smaller circle =2.5x3.14x2
=15.7
difference between the circumference =15.7
so, the circumference =15.7+15.7
=31.4
the diameter will be =10cm
=15.7
difference between the circumference =15.7
so, the circumference =15.7+15.7
=31.4
the diameter will be =10cm
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