Surface area and Volume

How many persons can be accommodated in a dining hall of dimensions (20 m × 16 m × 4.5 m), assuming that each person requires 5 cubic metres of air?

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A cuboid has length, breadth and diagonal as 4 m, 3 m and 13, respectively. Find its volume.

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Three cubes each of side 6 cm are joined end to end. Find the surface area of the resulting cuboid.

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The radius of the base of a cone is 14 cm and its height is 24 cm. Find volume,

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The radius of the base of a cone is 14 cm and its height is 24 cm. Find Curved surface area .

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The radius of the base of a cone is 14 cm and its height is 24 cm. Find the total surface area of the cone.

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The total surface area of a cylinder is 462 cm2 . Its curved surface area is one-third of its total surface area. Find the volume of the cylinder.

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How many bricks will be

required to construct a wall 8 m long, 6 m high and 22.5 cm thick if each

brick measures (25 cm × 11.25 cm × 6 cm)?

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The

ratio between the curved surface area and the total surface area of a right

circular

cylinder

is 1 : 2. Find the volume of the cylinder if its total surface area is 616 cm2.

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A conical tent is to accommodate 11 persons. Each person must have 4 m² of the space on the ground and 20 m³ of air to breathe. Find the height of the cone.

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