The sides of a triangle are 2006 cm, 6002 cm and m cm, where m is a positive integer. Find the number of such possible triangles.

The sides of a triangle are 6.5 cm, 10 cm and x cm, where x is a positive number. What is the smallest possible value of x among the following.

The sides of a triangle are 6 cm, 10 cm, and a cm. where a is a whole number. Find the minimum and maximum value that a can take.

The sides of a triangle are 3 cm, 5 cm and 7 cm. Find the greatest angle of the triangle.

Lengths of sides of a triangle are 3 cm, 4 cm and 5 cm. The triangle is

The sides of triangle are 13 cm, 14 cm and 15 cm. The area of the triangle is

(i) The sides of a triangle are 6 cm, 8 cm and 10 cm, find the position of the circum-centre of the triangle.