Question

2. The lid of a rectangular box of sides
40 cm by 10 cm is sealed all around
with tape. What is the length of the tape
used to seal the lid?

Answer 1

The total length of tape required = Perimeter of the rectangle

= 2(lenght+breadth)

= 2(40+10)

= 2(50)

= 100 cmn

= 1 meter

Therefore, total length of tape required is 100 cm or 1 meter.

hope it helps you