A rectangular room is 8 m long, 6 m broad and 4 m high. It contains two windows of size 2 m x 1.5 m each and a door of size 1m x 4m. Find the cost of painting its walls and ceiling at Rs 54 per sq. metre.

 

class 9 Unit 7 Ex- 7.3 Q5a) A rectangular room is 8 m long, 6 m broad and 4 m high. It contains two windows of size 2 m x 1.5 m each and a door of size 1m x 4m. Find the cost of painting its walls and ceiling at Rs 54 per sq. metre.

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5a) Mensuration (iii): Cylinder and Sphere compulsory Maths solutions Vedanta publication class 9 and 10