Evaluate - square root of 180

$- \sqrt{180}$

Step 1

Rewrite $180$ as $6^{2} \cdot 5$ .

Factor $36$ out of $180$ .

$- \sqrt{36 (5)}$

Rewrite $36$ as $6^{2}$ .

$- \sqrt{6^{2} \cdot 5}$

$- \sqrt{6^{2} \cdot 5}$

Step 2

Pull terms out from under the radical.

$- (6 \sqrt{5})$

Step 3

Multiply $6$ by $- 1$ .

$- 6 \sqrt{5}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$- 6 \sqrt{5}$

Decimal Form:

$- 13.41640786 \dots$

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