Question

Which number is irrational?
A
B.
10
c.
716
D. V25
E. 36

Answer 1

Irrational is √10, because

√9 = √3² = 3

√16 = √4² = 4

√25 = √5² = 5

√36 = √6² = 36

We can't anything with √10, eventually we can approx.

Answer 2

Answer:

option a

Step-by-step explanation:

$\sqrt{9 } = \sqrt{ {3}^{2} } = 3 \\ \sqrt{16 } = \sqrt{ {4}^{2} } = 4 \\ \sqrt{25} = \sqrt{ {5}^{2} } = 5 \\ \sqrt{36} = \sqrt{ {6}^{2} } = 6 \\ \sqrt{10} = \sqrt{2 \times 5}$

Hence, √10 is irrational number.

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