Question

A classroom is 11m long , 8m wide and 5m high. Find the cost of cementing its floor and
walls at the rate of Rs 20 per m².​

Answer 1

Step-by-step explanation:

i not no about information

Answer 2

Answer:

7320

Step-by-step explanation:

surface area of classroom

= 2(lb+bh+hl)

2×(11×8+8×5+5×11)

366m² × 20

= 7320rs