Question

The length of a rectangular door is 3 times it width. If
the width 1.5m. find it area also find the cost of
Painting it at the rate of Rs 4 Per sq km​

Answer 1

Answer:

The Area is 6.75m^2 and Cost is Rupees 27.

Step-by-step explanation:

Width = 1.5m

Length = 3(1.5)m = 4.5m

Area = (1.5×4.5)m^2 = 6.75m^2

Cost of painting the area at the rate of Rupees 4 per sq km = (6.75×4) = Rupees 27.