Question

2) The lid of a rectangular box of sides 45 cm by 15 cm is sealed all round with tape. What is the length of the tape required?​

Answer 1

Answer:

120cm

Step-by-step explanation:

Length of the tape is equal to the perimeter of the lid.

Then,

perimeter=2(l+b)=2(45+15)cm=2×60=120cm.

Therefore , 120cm tape is required.

Answer 2

Answer:

120 cm

Step-by-step explanation:

length of the tape = perimeter of the lid

Perimeter = 2( length + breadth)

= 2( 45 + 15 ) cm

= 2 × 60

= 120 cm

Answer) 120 cm