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Ramanujacharya

If the radius...

Question

If the radius of a circle is a rational number, its area is given by a number which is:

A

Irrational

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B

Rational

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C

Integral

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D

A perfect square

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Solution

The correct option is A
Irrational

Since, $π$ is irrational and product of rational and irrational is irrational.

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