Question

. 12. Find the cost of painting a wall having a door of dimensions 4 m x 3 m. The length and breadth of the wall are 10 m and 10 m, respectively, and the rate of painting is ₹50 per m^2​

Answer 1

Answer:

Cost of painting wall = ₹4400

Step-by-step explanation:

Area of wall = 10 × 10 = 100 m^2

Area of door = 4×3 = 12 m^2

Area of wall tht has to be paint = Area of wall - Area of door

= 100-12 = 88m^2

So, Area of 1 m ^2. wall = ₹50

Area of 88 m^2 wall = 88×50 = ₹4400

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