Question

square root of 80/405

Answer 1

80/405 = 16/81

then Sq.root of this = 4/9 your answer

Answer 2

Dear friend,,,, Here's your answer...
$\sqrt{ \frac{80}{405} } \\ = \sqrt{ \frac{2 \times 2 \times 2 \times 2 \times 5}{5 \times 3 \times 3 \times 3 \times 3} } \\ = \frac{4}{9}$
Hope it helps.
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