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Find the maximum length of the …

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Find the maximum length of the road that can be kept in cubiodal box of sides 30cm,24cm,18,cm

Posted by Bharti Indu 6 years ago

CBSE > Class 07 > Mathematics

1 answers

Yogita Ingle 6 years ago

Given: l= 30cm, b= 24cm, h= 18cm

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+(24)²+(18)²= √900+576+324

= √1800 = √100×9 × 2= 30√2

= 30×1.41 = 42.3cm (√2= 1.41)

The maximum length of the rod is 42.3cm

2Thank You

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CBSE > Class 07 > Mathematics