Question

the dimensions of a cuboidal box of 6 m into 400 cm and 2.5 M find the cost of painting its entire outer surface at the rate of rupees 22 m square

Answer 1

Total surface area of cuboid =2 (LB+BH+HL)
dimensions =400cm=4m ,6m and 2.5m
2 (4×6+6×2.5+2.5 ×6)
2 (24+15 +15)
2 (54)
108m^2
cost of painting=22rupees per m
so,cost of painting =108×22m
22rupees

Answer 2

Answer:

Rs. 1716

Step-by-step explanation:

TSA of cuboid= 2(lb+bh+lh) sq.units

= 2(6*4+6*1.5*4*1.5)

= 78 metre square

Cost of painting = 22*78=rs.1716