The length, breadth and height of a room are 8m 25cm, 6m 75cm and 4m 50cm
respectively. Find the length of the longest rod that can measure the three dimensions of the
room exactly
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longest rod that could fit is also called diagonal.
Diagonal of rectangle = √l²+b²+h²
8m 25 cm = 825 cm / 8.25m
6m75cm = 675cm / 6.75m
4m50cm = 450 cm / 4.5m
now full the value in the formula √l²+b²+h²
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