the area of 4wall of a room is 210m2 if the length of the room is twice it's breathed and the wall are 5m high find the area of the floor
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given h=5 cm
Let breadth be x cm
L= 2x
CSA= area of 4 walls
2(l+b)h=210
10 x 3x= 210
3x=21
x=7cm
L= 14cm
area of floor= L x B
area of floor=14 x 7= 98
plz mark it as brianliest answer
Let breadth be x cm
L= 2x
CSA= area of 4 walls
2(l+b)h=210
10 x 3x= 210
3x=21
x=7cm
L= 14cm
area of floor= L x B
area of floor=14 x 7= 98
plz mark it as brianliest answer
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