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Mathematics 13 Online
OpenStudy (anonymous):

26) A drinking trough for horses is a right trapezoidal prism with dimensions shown below. If it is filled with water, about how much will the water weigh? (Hint: 1 m^3 of water weighs 1 metric ton) 27) Find the weight, to the nearest kilogram, of the cement block shown. Cement weighs 1700 kg/m^3.

OpenStudy (anonymous):

OpenStudy (anonymous):

ok, so the first thing to do is find the volume of the trough :)

OpenStudy (anonymous):

can u do that?

OpenStudy (anonymous):

what is the formula for a right trapezoidal prism with dimensions? : (

OpenStudy (anonymous):

lol i dont know xD but that is how i roll ;)

OpenStudy (anonymous):

then how do you suppose i find the answer -_______- lol

OpenStudy (anonymous):

haha cause that's just how i am xD and ill explain my method which normally is the reason for the formula but since i dont know it ill just garantee that my reasoning isnt flawed :P

OpenStudy (anonymous):

this is wat i like to call the Hawk stype :P cause im winging it

OpenStudy (anonymous):

style*

OpenStudy (anonymous):

|dw:1365648529323:dw| as u can see i just turned it into a cuboid and two triangular prisms

OpenStudy (anonymous):

and right there we can solve for the volumes of the three figures :)

OpenStudy (anonymous):

understand?

OpenStudy (anonymous):

wat? u dont trust me? -_-

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