Find the maximum length of the rod that can be kept in cuboidal box of sides 30cm, 20cm and 10cm.
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Given: l= 30cm, b= 20cm, h= 10cm
To find the maximum length of the rod We have to find its diagonal.
Length of a diagonal of a cuboidal box is=√l²+b²+h²
= √(30)²+(20)²+(10)²= √900+400+100
= √1400 = √100×14 = 10√14
= 10×3.74= 37.4cm (√14= 3.74)
The maximum length of the rod is 37.4cm
To find the maximum length of the rod We have to find its diagonal.
Length of a diagonal of a cuboidal box is=√l²+b²+h²
= √(30)²+(20)²+(10)²= √900+400+100
= √1400 = √100×14 = 10√14
= 10×3.74= 37.4cm (√14= 3.74)
The maximum length of the rod is 37.4cm
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