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12. Surface Areas and Volumes
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Q5 of 62 Page 142

The volume of the frustum of a cone is where h is vertical height of the frustum and are the radii of the ends.

False

As we know


Volume of frustum of a cone


Where, h = height, r1 and r2 are radii (r1 > r2)


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3

A solid cone of radius and height is placed over a solid cylinder having same base radius and height as that of a cone. The total surface area of the combined solid is

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The capacity of a cylindrical vessel with a hemispherical portion raised upward at the bottom as shown in the figure is

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The curved surface area of a frustum of a cone is where and r2 are the radii of the two ends of the frustum and is the vertical height.

Questions · 62
12. Surface Areas and Volumes
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