The area of the four walls in a room 120sq.m. The length is twice the breadth. If the height of the room is 4m, find the area of the floor. Please urgent.
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The area of the four walls in a room 120sq.m. The length is twice the breadth. If the height of the room is 4m, find the area of the floor. Please urgent.
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So, length = 2x m
So, 2*4*(2x+x) = 120
or, 3x = 15
or, x = 5
So, area of floor = 5*(2*5)m2 = 50m2
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Then the length will be 2x.
given Area = 120 sq.m.
We know that Area = 2(l+b) * h
2 * 4(3x) = 120
24x = 120
x = 5.
then the length will be l = 2 * 5 = 10.
Area of the floor = l * b
= 10 * 5
= 50 m^2.
Hope this helps!