Question

find the perimeter of a room which is 28 cm long and 12 cm broad​

Answer 1

$perimeter \: of \: room = 2(l + w)$

$so \: 2(28 + 12)$

$= 2(30)$

$= 2 \times 30 = 60 \: cm$

$\huge\colorbox{orange}{♛ᴀɴsᴡᴇʀ♛࿐}$

Answer 2

Answer:

According to the question

Length of the room = 28cm

Breadth of the room = 12cm

Perimeter = 2(l+b)

So, the perimeter of the room

= 2(l+b)

= 2(28cm + 12cm)

= 2(40cm)

= 80cm

I hope this helps you