L w h = 168
but
L w = 28
so
h = 168/28
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(1/2) (2.5)(2)(4) = Volume
Find the height of a cuboid whose volume is 168 cubic metre and the area of the base is 28 square metre.
The length of a reservoir is 2.5m. It's width is 2 m and its height is 4 m. If it is half-filled with water, find the volume of the water in the reservoir.
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1 answer
1 answer