Answers

2016-01-11T21:03:25+05:30
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.
0
Hope thus helped u.Please mark as brainliest .....