a balcony attached to a building is in the shape of trapezium the side not attached to the building is parallel to and double the side attached to the building is the area of balcony is 18 m and the distance between the two parallel side is 9 m find the length of the side off the balcony not attached to the buildings
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Let the 1st parallel side (side attached to the building)be x.
therefore 2nd parallel side(side not attached to the building)=2x
Area of trapezium=1/2×hieght×(sum of parallel sides)
18=1/2×9×(x+2x)
18×2/9=3x
4/3=x=1.33 m
side not attached to the building=2x=2.66m
therefore 2nd parallel side(side not attached to the building)=2x
Area of trapezium=1/2×hieght×(sum of parallel sides)
18=1/2×9×(x+2x)
18×2/9=3x
4/3=x=1.33 m
side not attached to the building=2x=2.66m
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