Question

The side of a square room is 12m. Find
the cost of carpeting the room at the
rate of 5 per sq.m
A) 700
B) 720
C) 5725
D) 3750​

Answer 1

Answer:

B. ₹ 720

Step-by-step explanation:

Side of square room = 12m

So Area of square = (12)^2 m^2

= 144 m^2

Cost of carpeting the room @ ₹ 5/sq m

= ₹(144×5)

= ₹ 720

Though I have used the @ symbol, it's better not to use it in exams or Marks can be deducted.

Answer 2

Answer:

720

Step-by-step explanation:

since the side of a square is 12 m

so, (12)2=144

then, 144x 5=720