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.

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

On a squared paper,draw ( i ) a rectangle,(ii) a triangle (iii) any irregular closed figure.Find the approximate area of each by counting the number of squares complete,more than half and exactly half.