The length breadth height of room are 825cm 675cm and 450cm respectively find the longest tape which can measure the three dimensions of the room exactly
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Solution
Length = 825 cm = 3 × 5 × 5 × 11
Breadth = 675 cm = 3 × 3 × 3 × 5 × 5
Height = 450 cm = 2 × 3 × 3 × 5 × 5
Longest tape = HCF of 825, 675, and 450 = 3 × 5 × 5 = 75 cm