Finding area by the use of squared paper

Find the area of the following figure by using a squared paper.

The following figures are drawn on a sheet of squared paper. Count the number of squares enclosed by each figure and find its area, taking the area of each square as 1cm^(2) .

The followingfigures are drawn on a sheet of squared paper. Count the number of squares enclosed by each figure annd find its area, taking the area of each square as 1cm^(2) .

The followingfigures are drawn on a sheet of squared paper. Count the number of squares enclosed by each figure and find its area, taking the area of each square as 1cm^(2).

Find the area of a coloured paper used to stick to a sphere of radius 7 cm.

Draw circles having different radius on à graph paper. Find the area by counting the number of squares, Also find the area by using formula. Compare the two answers.

The following figures are drawn on a squared paper.Count the number of squares enclosed by each figure and find its area,taking area of each square as 1cm^(2) .

Find the area of each of the figures drawn on the unit square grid paper given below :

Find the ratio of area of square and area of square taking diagonal as side.