Trace shapes of leaves, flower petals and other such objects on the graph paper and find their area approximately.

A ( 3 , 6) , B ( 3 , 2) and C ( 8 , 2) are the vertices of a rectangle ABCD . Plot these points on a graph paper . From this find the coordinates of vertex D , so that ABCD will be a rectangle .

The following are rectagles of equal breadth on a graph paper. Find the area for each rectangle and fill in the table. Is the area directly proportional to length?

The following are rectangle of equal breadth on a graph paper . Find the area for each rectangle and fill in the table . Is the area directly proportional to length ?

If an error of 0.01cm is made in measuring the perimeter of a circle and the perimeter is measured as 44cm then find the approximate error and relative error in its area.

The length of one side of few squares are given. Find their areas using graph paper - 4 cm

The length of one side of few squares are given. Find their areas using graph paper - 2cm

The length of one side of few squares are given. Find their areas using graph paper - 8cm

Can you find the surface area of sphere in any other way?