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Standard X
Maths
Revisiting Irrational Numbers
Question
Classify the following numbers as rational or irrational.
$$2\pi$$
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Solution
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$$2\pi$$
$$= 2 \times 3.1415.....$$
$$= 6.2830.....$$
This is non-terminating, non-recurring decimal.
$$\therefore$$ This is an irrational number.
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