Two identical prisms with triangle as base are joined to form a rectangular prism as shown below:What is its total surface area?

The sides of a square are 6 centimetres long. The mid points of the sides are joined to form another square as shown below. What is the perimeter of the smaller square? .

The base of a prism is an equilateral triangle of perimeter 12 centimetres and its height is 5 centimetres. What is its total surface area?

The base of a prism is a rectangle of sides 5 centimeters and 12 centimeters and its height is 20 centimeters. It is split vertically along a diagonal of the base into two triangular prism. What is the lateral surface area of these triangular prism.

The base of a prism is a regular hexagon of side 6 cm , its lateral surface area is 180 sqrt3 cm^2 a) What is its base area? b) What is its total surface area? c) Without changing the height it is divided in to 6 equal equilateral triangular prisms. What will be the lateral surface area of one such triangular prism?

The base of a wooden prism is a regular hexagon. Its base perimeter is 30 cm and height is 5 cm . a) What is the lateral surface area of the prism? b) If it is divided into 6 equal equilateral triangular prisms, what will be the lateral surface area of each triangular prism?

A square and equiIateral triangle of sides twice as long we cut and the pieces are rearranged to form a trapezium, as shown below. If a side of the square is 2 centimetres, what are the perimeter and area of the trapezium? .

The base edge of a regular hexagonal prism is 6 cm and height is 10 cm : a) Find its base area and lateral surface area. b) Find its total surface area. c) 'Find its volume.

The tent for an exhibition is as shown below, with a half - cylinder on top of a rectangular prism. What is the cost of making it, at the rate of 2000 rupees per square meter?

The base area of a cone is 25pi cm, curved surface area 165pi . Calculate total surface area.