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Vladimir79 [104]
2 years ago
15

Classify the following is rational or irrational(a) √45​

Mathematics
1 answer:
marshall27 [118]2 years ago
3 0

The numbers that can be expressed in the form of a fraction are called rational numbers. While that numbers that cannot be expressed in the form of a fraction are called irrational numbers.

\sqrt{45} =\sqrt{3 \times 3 \times 5}

\sqrt{45} =3\sqrt{5}

3\sqrt{5} is an irrational number, it cannot be expressed in the form of a fraction.

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