Question

Rahul wanted to paint all four square walls of his room of side 10 m if the cost of painting is 20 rupees per sq m Then what will be the total cost of painting? ​

Answer 1

Answer:

area of a square=side square=10×10=20 so

per square m cost=20 ,so, 20×20=400

therefore Rahul will cost 400ruppes to paint the Wall