By what smallest number must $180$ be multiplied so that it becomes a perfect square? Also, find the square root of the number so obtained.

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Solution

$180 = 2 \times 2 \times 3 \times 3 \times 5$
So, here is only 5 which is not in pair so, we can say that it multiplied by 5
Square root will be $2 \times 3 \times 5 = 30$

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Question 5 (ii)

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By what smallest number must 180 be multiplied so that it becomes a perfect square? Also, find the square root of the number so obtained.

180=2×2×3×3×5So, here is only 5 which is not in pair so, we can say that it multiplied by 5 Square root will be 2×3×5=30

By what smallest number must $180$ be multiplied so that it becomes a perfect square? Also, find the square root of the number so obtained.

$180 = 2 \times 2 \times 3 \times 3 \times 5$
So, here is only 5 which is not in pair so, we can say that it multiplied by 5
Square root will be $2 \times 3 \times 5 = 30$