Question

A rectangular room of dimensions 8m,6m,4m is to be painted.if it costs rupees 80per square metre. Find the cost of painting the walls

Answer 1

Answer:

Step-by-step explanation:let,

I=8 B=6 H=4.

Area of cuboidal room = LBH=8*6*4= 192cm²

Cost is 80rs. Per cm²

So, cost of 192cm²= 192*80 = 15,360rs..

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