Math, asked by basha63, 10 months ago

A room is 36m long 12 wide and 10m high.It has 6 windows each 3m×2.5m one door 9.5m×6m and one chimney 4m×4.5m.The expenditure of papering it's walls at the rate of 70 paise per metre .If the width of the paper is 1.2m​

Answers

Answered by AdityaRaj1212
10

Answer:490

Step-by-step explanation:Areas of four walls = 2(36+12)*10 = 960

Total area of (window+door+chimney) = 120m²

Therefore net area of papering = 960-120=840

Length of required paper = 840/1.2 =700

Hence cost of papering = 700*0.7=490

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