The sides of a triangle ABC are positive integers. The smallest side has length 1. Which of the following statement is true ?

The sides of a triangle ABC are positive integers.The smalilest side has length.What of the following statements is true?

If the sides of a Delta ABC are in AP and a is the smallest side, then cos A equals

The sides of a triangle ABC are 6 , 7 , 8 and the smallest angle being C then the length of altitude from C is

The sides of a triangle are distinct positive integers in an arithmetic progression.If the smallest side is 10, the number of such triangles is

In a triangle ABC , if AB , BC and AC are the three sides of the triangle , then which of the following statements is necessarily true ?