the height of a cone is 30cm. A small cone is cut off at top by a plane parallel to the base if the volume of the remaining cone is 1/27 th of the cone given at the first then at what height above the base the section made?...
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Govind12390:
thanx but in the second photo i cant understand the last two lines pls tell it
the section is made at the height od 20cm from the base of the cone
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