Q: How do you find the volume of a trapezium?

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The volume is the Area multiplied by thickness (if the thickness is constant). Area = 1/2 ((a+b)*h) a = the base length b = the top length h = the height (constant) t = the thickness (constant) Volume = Area*t Please note that a trapezium and a trapezoid are defined differently in England and the USA. In England the trapezium has the base and top parallel and the area calculation above is for that definition but the area calculation for a trapezoid is different. The volume will still be Area*t.

Not sure exactly what you want but our garage was built a few years ago with a trapezium base (to fit the land space available to the side of our house). The footings were a fairly normal trench style with deeper parts at the corners and under the rear doors' pillars location (our garage is about 9 ft wide at the front but about 18 ft wide at the back). The volume of these footings were the volumes of the cuboids along each side plus the volume of the corners - the slight non-90o corners makes little difference in the amount of concrete that has to be ordered. For the slab on top, its volume is the area of the trapezium times the depth of the slab (all in the same units): volume_slab = (12 x sum_of_parallel_sides x perpendicular_distance_between_those_parallel_sides) x depth_of_slab If you have trapezium shaped footings, then I guess you have a footing with a trapezium cross-section: use the volume_slab formula above with appropriate choices for the parallel sides (of the trapezium) and the depth_of_slab would be the length_of_footing.

None but if you mean area it is: Area measured in square units = 0.5*(sum of parallel sides)*height

1/2 ( a + b) x h

can any one tell me wat is a trapezium

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A trapezium is a 2-dimensional shape and so has no volume. If you were thinking of area, there is not enough information to answer.

The area of a trapezium is given by 0.5*(a+b)*h where a and b are the lengths of the parallel sides and h is the vertical distance between them. The fact that the trapezium is isosceles does not matter. A trapezium is a 2 dimensional object and so it has no volume.

Volume = 1/2*(a+b)*h*l where a and b are the lengths of the parallel sides of the trapezium, h is the height of the trapezium, and l is the length of the prism.

With great difficulty because a trapezoid is a 2 dimensional shape which has no volume but it does have a surface area.

1/2 h(a+b)

A trapezium. A trapezium. A trapezium. A trapezium.

The volume is the Area multiplied by thickness (if the thickness is constant). Area = 1/2 ((a+b)*h) a = the base length b = the top length h = the height (constant) t = the thickness (constant) Volume = Area*t Please note that a trapezium and a trapezoid are defined differently in England and the USA. In England the trapezium has the base and top parallel and the area calculation above is for that definition but the area calculation for a trapezoid is different. The volume will still be Area*t.

You can also find it as trapezium.

volume of trapezium = 1/2* (a1+a2)*h* length where a1,a2 are the base areas respectively and h is the height its a good formula but here is a easier one 1/2*(Area of top + Area of bottom)*Height*lenght

200.106m2

Not sure exactly what you want but our garage was built a few years ago with a trapezium base (to fit the land space available to the side of our house). The footings were a fairly normal trench style with deeper parts at the corners and under the rear doors' pillars location (our garage is about 9 ft wide at the front but about 18 ft wide at the back). The volume of these footings were the volumes of the cuboids along each side plus the volume of the corners - the slight non-90o corners makes little difference in the amount of concrete that has to be ordered. For the slab on top, its volume is the area of the trapezium times the depth of the slab (all in the same units): volume_slab = (12 x sum_of_parallel_sides x perpendicular_distance_between_those_parallel_sides) x depth_of_slab If you have trapezium shaped footings, then I guess you have a footing with a trapezium cross-section: use the volume_slab formula above with appropriate choices for the parallel sides (of the trapezium) and the depth_of_slab would be the length_of_footing.

A trapezium or a kite.A trapezium or a kite.A trapezium or a kite.A trapezium or a kite.