Question

find the cost of painting the wall pf legnth 80m and breadth 20m at the rate of ₹4 per sq m​

Answer 1

Answer:

Here, lenght of wall =5 cm and breath of wall =4 cm

area of wall = 5×4 = 20 m2

lenght of door = 2.2 m

breath of door =1.3

area of door = 2.2 × 1.3 = 2.86 m2

area to be painted = ( 20- 2.86 ) = 17 . 14 m2

cost of painting the wall at rs . 100/ m2 =17.14 × 100 = rd 1714

Step-by-step explanation:

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