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. please write in copy with process
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Answered by
4
Let's factorise the given number.
180 = 2×2×3×3×5
Now if we make every number in pair we can see that only 5 could not be in pairs.
Therefore, 5 should be multiply to make the given number perfect square.
Now, square root of obtained number 900 is
30.
180 = 2×2×3×3×5
Now if we make every number in pair we can see that only 5 could not be in pairs.
Therefore, 5 should be multiply to make the given number perfect square.
Now, square root of obtained number 900 is
30.
nehaji:
but you are not right with process write in copy plz
Answered by
5
2 180
3 90
3 30
2 10
5 5
1
180= 2x2x3x3x5
180x5= 2x2x3x3x5x5
900=2x3x5
900=30
3 90
3 30
2 10
5 5
1
180= 2x2x3x3x5
180x5= 2x2x3x3x5x5
900=2x3x5
900=30
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