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.

In a squared sheet,draw two triangles of equal areas such that (i) the triangles are congruent.(ii) the triangles are not congruent. What can you say about their perimeters?

The area of a square 1600m^(2). Find the area of area of a rectangle whose breadth is the same as that of the square and length is 10m more than its breadth.

In the given figure, ABCD is a rectangle I,II and III are squares. Find the area of the shaded region.

(i) Find the number of reatangles of any size in a chess board (ii) Find the number of squares of any size in a rectangle of size 8xx 5 .

10 coins are tossed simultaneously . Find the probability of getting (i) exactly 3 heads (ii) not more than 4 heads (iii) at least 4 heads .

The length of a rectangle is reduced by 20% and breadth is kept constant, and the new figure that is formed is a square. Consider the following statements: The area of square is 25% less than the area of rectangle. The perimeter of square is approximately 11% less than the perimeter of rectangle. The diagonal of square is approximately 12% less than the diagonal of rectangle. Which of the statements given above is/are correct? (a) 1 only (b) 1 and 2 (c) 2 and 3 (d) 1, 2 and 3

Complete the hexagonal and star shaped Rangolies (see fig. (i) and (ii)] by filling them with as many equilateral triangles of side 1 cm as you can. Count the number of triangles in each case. Which has more triangles?

The areas of a square and a rectangle are equal. The length of the rectangle is greater than the length of any side of the square by 5 cm and the breadth is less by 3 cm. Find the perimeter of the rectangle. (a) 17 cm (b) 26 cm (c) 30 cm (d) 34 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) .