Question

the Length breadth and height of a ola 12.5 10 metre and 6 metre respectively find the cost of painting the wall at 20 rupees per metre square also find the cost of painting if the ceiling is also painted in a creative with costing 24 rupees per metre square​

Answer 1

Answer:

Step-by-step explanation:

we should find the csa of cuboid

csa of cuboid = 2h(l+b)

=2x6(12.5+10)

=12x22.5 metre square

and for

metre square = 24 rupees

= 12x22.5 x 24

=6480 rupees

and for 20 rupees will be

12x22.5x20

=5400 rupees

Answer 2

area of wall = 2(12.50+10)×6

= 2×135

= 270

cost of painting = 270× 20

= 5400

area of ceiling = 24 per m sq

area of ceiling × cost = l×b × 24

= 12.50×10× 24

3000

total cost of painting = 8400