Question

) The length, breadth a height of a room is 5m, 4m,3m. The cost of white washing its four walls at the rate of 7.50 per m²is?
please tell me the answer of this question.​

Answer 1

Step-by-step explanation:

lateral surface area of cuboid 2lb + 2 bh

2×5×4+2×4×3

40+24

64 sqm

cost of painting 7.50 × 64= 480rupees