Math, asked by darshantimi18timu, 1 year ago

The lid rectangular box of sides is 40 cm by 10 cm sealed all round with a tape what is light of tape

Answers

Answered by Ashu31
24
Thus means that the boundary of the lid is sealed.And boundary of closed figure is its perimeter.
So,perimeter of rect.lid = 2(l+b)
=2(40+10)
=2(50)
100 cm.
Therefore the lenght of the tape = 100 cm.

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