the area of four walls in a room is 120 m square the length of twice
the breadth if the height of the room is 4 m find the area of floor
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(l =3b ) given .
area of four walls = 120cm²
2(l+b)×h = 120
2(3b)×4 = 120
6b = 30
b = 5 cm
area of floor = l×b
l0×5
= 50cm² ans.
area of four walls = 120cm²
2(l+b)×h = 120
2(3b)×4 = 120
6b = 30
b = 5 cm
area of floor = l×b
l0×5
= 50cm² ans.
Answered by
0
let b=xand l=2x and h is given 4 now formula is 2(l+b)×h=120m now find value of x and find l and b and area of floor =l×b
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