Find the volume of the recycled material used in making the solid as shown in fig. It is given that diameter of cylinder is 20 cm and diameter of each of two equal conical cavity is 10 cm. When pie is 3.14 the answer is different as compared to 22/7 why is that??
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The answer when pie is 3.14 is different from 22/7 is because PI is basically the ration between the circumference and diameter which is 3.1415... However the closes fraction that results this is 22/7. Thus. 22 by 7 is just the approximation of 3.1415... as it is easy to calculate.
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