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:

Length of the tape required is 1 m.

Explanation:

Given, Sides of box is 40cm and 10cm

So, length of the tape required is = perimeter of the rectangle

$\text { Perimeter of rectangle }=2(l+b)$

$=2 \times(40+10) \mathrm{cm}$

$=2 \times 50 \mathrm{cm}$

$= 100 cm$

$= 1 m$

The length of the required tape 1 m.