The pictures shows a tangram of 7 pieces made by cutting a square of side 4 centimetres. Calculate the length of the sides of each piece.

Calculate the length of sides of quadrilateral. .

A regular pentagon is drawn with vertices on a circle of radiús 15 centimetres. Calculate the length of its sides.

The area of a square plot is 1024 square metres. What is the length of its sides?'

A rod 28 centimetres long is to be bent to make a rectangle. i) Can a rectangle of diagonal 8 centimetres be made? ii) Can a rectangle of diagonal 10 centimetres be made? iii) How about a rectangle of diagonal 14 centimetres? Calculate the lengths of the sides of the rectangles that cán be made.

A square is made with a 24.8 centimetre long rope. What is the length of its side?

From the four corners of a square piece of paper of side 12 centimetres, small squares of side 1 centimetre are cut-off. The edges of this-are bent up and jolned to form a container of height 1 centimetre. What is the capacity of the container? If squares of side 2 centimetres are cut off, what would be the capacity?

A wire of length 28 m is cut into two pieces. One of the Pieces is be made into a square and the other in to a circle. What should be the length of the two pieces so that combined area of the square and the circle is minimum using differentiation?

In a rectangle of perimeter one metre, one side is five centimetres longer than the other. What are the length of the sides.