Question

The area of four walls of a room is 420 m² . If the length of the room is twice its breadth and the walls are 5 m high, find the length and breadth of the room.​

Answer 1

Heya user!

$\underline{\underline{\pink{\huge\sf Solution}}}$

✴️Solving :-

Breadth = x

Length =2x

Area of 4 walls = 2(length + breadth)h

420=2(3x) 5=30x

X= 420/30= 14 m = breadth

Length = 2x =28m.

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Hope it helped you ✌️