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The radius of the base of a right circul...

The radius of the base of a right circular cone is r. It is cut by a plane parallel to the base at aheight h from the base. The slant height of the frustum is `sqrt(h^2+4/9r^2)`. Show that the volume of13the frustum is `13/27 pi r^2 h`.

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RD SHARMA-SURFACE AREAS AND VOLUMES-All Questions
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  2. A tent consists of a frustum of a cone capped by a cone. If the rad...

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  3. The radius of the base of a right circular cone is r. It is cut by a p...

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  4. A right circular cone is divided by a plane parallel to its base in tw...

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  5. If a cone of radius 10cm is divided into two parts by drawing a plane ...

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  14. A hemispherical bowl of internal radius 9cm is full of water. Its c...

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  15. The angles of the depression of the top and bottom of the tower is see...

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  16. Find the coordinates of a point P, which lies on the line segment join...

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  17. . If the radii of the circular ends of a conical bucket, which is 16 c...

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  18. A cylindrical hole of diameter 30cm is bored through a cuboidal wooden...

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  20. The radii of the circular ends of a frustum of height 6cm are 14cm and...

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