Question

which of the following is an irrational no.?
$\sqrt{225 \: \:}$
$\sqrt{1}$
​

Answer 1

Both numbers aren't irrational

Step-by-step explanation:

Because,

$\bf \sqrt{225} = \sqrt{ {15}^{2} } = 15 \\ and \bf \sqrt{1} = 1$

So,

both are rational numbers not irrational.

Hope it helps.

#BeBrainly :-)

Answer 2

which of the following is an irrational no.?

a) $\sqrt{225 \: \:}$

Since $\sqrt{225 \: \:}$ = 15 which is rational numbers. Hence, √225 is rational.

b) $\sqrt{1}$

Since √1 = 1 which is rational numbers. Hence, the √1 is rational.