Question

The Length,breadth and height of a room are 6m,5m and 3.2m respectively. Find the cost of painting its wall (including doors and windows) and its ceiling at the rate of 25 rupees per metre square.​

Answer 1

Answer:

d the area of the rectangle whose dimensions are:

(i) length = 24.5 m, breadth = 18 m

(ii) length = 12.5 m, breadth - 8 dm.

ANSWER:

(i) Length = 24.5 m

Breadth = 18 m

∴ Area of the rectangle = Length × Breadth

= 24.5 m × 18 m

= 441 m2

(ii) Length = 12.5 m

Breadth = 8 dm = (8 × 10) = 80 cm = 0.8 m [since 1 dm = 10 cm and 1 m = 100 cm]

∴ Area of the rectangle = Length × Breadth

= 12.5 m × 0.8 m

= 10 m2

Answer 2

Answer:

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