The length, breadth and height of a room are 825 cm, 675 cm and 450 cm respectively. Find the longest tape which can measure the three dimensions of the room exactly.
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Answer:
HCF (825, 675, 450) = 3×5×5=75. Hence, we got HCF = 75. ∴The longest tape which can measure the three dimensions of a room exactly will be 75cm long
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Step-by-step explanation:
= 825 + 825 + 825 + 825 + 675 + 675 + 675 + 675 + 450 + 450 + 450 + 450
= 4200 + 2700 + 1800
= 8700
hence 8700cm long tape is needed
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