? asked in 科學及數學數學 · 1 decade ago

Area and volume(Plz show step by step)

A cylindrical can of diameter 36 cm contains water to depth of 25 cm. When the water inside the can is poured into another cylindrical can with diameter 30 cm 1/3 of the water inside is spilt. Find the depth of the water inside the other

cylindrical can .

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  • 1 decade ago
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    Volume of water

    =πr2h

    =π(36/2)2(25)

    = 8100π

    In the new can, 1/3 of water split.

    So, capacity of water = (1 – 1/3) x volume of water

    = 2/3 x 8100π

    = 5400π

    Also, capacity of new can =πr2h

    So, 5400π=π(30)2h

    h = 5400 / 900

    = 6 cm

    Source(s): ki
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