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1. A rectangular water reservoir contains 36,000 L of water. Find the depth of thewater in the reservoir, if its base measures8 m by 4 m. Also, find the surface area of thereservoir |
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Answer» Given length of the rectangular reservoir [cuboid] = l =8mBreadth = b =4mLet theDepth(height) of the cuboid be `h`Given volume = 36000 litre = 36m³We know that the volume of a cuboid = lbh⇒8m× 4m× `h`m = 36m³⇒32h m³ = 36m³⇒h = 36m³/32m³∴h = 9/8m∴The depth of the reservoir is 1.125 m |
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