The length breadth and height of a room are 12 m 15 m and 18 metre respectively determine the length of longest day that can measure all the dimensions of the room exact number of times
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The longest length of stick that can measure all dimensions of the room is the Highest common factor it's length, Breadth, height.
Now, HCF of 12,15,18
12=3*2*2
15=3*5
18=3*3*2
Therefore, HCF of 12,15,18 is 3m.
The length of longest stick that can measure all the dimensions of the room in exact number of times is 3m
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