Question

the dimension of a room are length is equal to 8 is equal to 5 height is equal to 4 metre find the cost of distempering its four walls @ rupees 40 per metre​

Answer 1

Answer:

Length of room= 8m

Breadth of room= 5m

Height of room= 4m

Lateral Surface area of cuboid= 2(l+b)h

=2(8+5)4

=2×13×4

=108 square m

Cost of distempering per Sq. m= Rs.40

Cost of distempering 108sq. m=108×40

= RS 4320

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Answer 2

Step-by-step explanation:

Csa=2(l+b)h

L=8

b=5

h=4

Csa =2(8+5) 4

=2×13×4=104m sq.

cost= 104×40 = rs 4160

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