Question

The lid of a rectangular box of sides 40 cm
by 10 cm is sealed all round with tape.
What is the length of the tape required?​

Answer 1

Answer:

100cm

Step-by-step explanation: its the same as finding the perimeter so the formula is 2(l) + 2(w)

=2(40cm) + 2(10cm)

=80cm + 20cm

=100cm