Question

0. The perimeter of a floor of a rectangular hall is 60 m and its height is 3 m. Find the cost of painting its
four walls at the rate of 20 per m².
0. ​

Answer 1

Answer:

Perimeter = 60m

Height = 3m

Area of 4-Walls = Perimeter × height

= 60 × 3

= 180 sq. m

Rate of Painting = ₹20/sq. m

Cost of painting 180 sq. m = 180 × 20

= ₹3600 Ans...