# ICSE Class 7 Answered

**The walls and ceiling of a room 7m Long, 5m wide and 3.5 m high are covered with paper 6 dm wide. Find the length of paper required, if no length less than a metre can be bought.**

Asked by Jitendrakumardivedi | 16 Sep, 2018, 10:28: AM

Expert Answer

l = 7 m, b = 5 m and h = 3.5 m

Area of four walls = 2(l + b)h = 84 m

^{2}Let the length of the paper be L.

L × 6/10 = 84

L = 140 m

Length of the paper required is 140 m.

Answered by Sneha shidid | 18 Sep, 2018, 09:44: AM

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