Question

l=40cm
b=10cm
perimeter =2(l+b)
=2(40+10)
=100 cm
hence the length of tape is 100 cm

Answer 1

Answer:

wrong perimeter of the tape is 100 cm

Answer 2

Answer:

i can't under stand your question .

you want to find area or what?

if you want to find area so

area =(l×b)

=40×10

=400cmsquare