find the length of longest rode that can be kept in a cuboid of dimension 5m x 8m x 10m
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Answer:
L = √(l² + b² + h²)
l = 5m , b = 8m , h = 20m
therefore L = √(5²+8²+10²)
=> L = √(25+64+100)
=> L = √(189)
=> L = √(9 × 21)
=> L = 3√21 m
=> L = 3*(4.6)
=> L = 13.8 m
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