The shape of a tent in the form of a square pyramid fixed on the top of a cube (see fig). The length of the side of the cube is 8 metres, and total height of the tent is 11 metres. How much canvas is needed to make such a tent?

The shape of a toy is in the form of a cone.fixed over a hemisphere The radius of the sphere and cone is '3 cm', and the total height of the toy is '6 cm'. How much cubic centimetres of wood is needed to make this?

A tent is to be made in the shape of a square pyramid of base edges 6 metres and height 4 metres. How many square metres of canvas needed to make it?

To make a conical hat of base-radius 8 centimetres and slant height 30 centimetres, how much square centimetres of paper do we need?

a) A water tank in the shape of a cylinder contains water to a depth of 1 metre. Radius of the cylinder is 2 metre and its height is 11 metres. How many litres of water is there in tank? (pi=3.14,1 cubic metre =1000 litres) b) How much mơre litres of water is required to fill the tank completely?

A tent constructed in the form ofa square pyramid of base perimeter 80 metres and lateral edge 26 metres.Calculate the area of tarpaulin sheet required to cover the lateral faces of the tent.

A toy is in the shape of a square pyramid of base edge16 centimetres and slant height 10 centimetres. What.is the total cost of painting 500 such toys, at 80 rupees per square metre? .

A toy in the shape of a square pyramid of base edge 16 centimetres and slant height 10 centimetres. What is the total cost of painting 500 such toys, at 80 rupees per square metre?

A plastic water tank in a place in the shape of a rectangular prism' with length 6 metre. Breadth 4 m and depth 3 m . There is water at a height of 1 m in this tank. a) How many liter of water in it? b) How many litres of water needed. to fill the tank?

A square of side 5 centimetres and four isosceles triangles, of base 5 centimetres and the height 8 centimetres are to be joined to make a square pyramid. How many square centimetres of paper is needed?

A hollow prism of base a square of side 16 centimeters contains water 10 centimeters high. If a solid cube of side 8 centimeters is immersed in it, by how much would the water level rise?