If perimeter of a triangle with integer sides is equal to 15. How many such triangles are possible?

• 7 triangles are possible.
  
  (1,7,7)
  (2,6,7)
  (3,6,6)
  (3,5,7)
  (4,4,7)
  (4,5,6)
  (5,5,5)
  
  Concept : Sum of two sides should be greater than the third.
  
  So, there are 7 triangles possible.
• 12 years agoHelpfull: Yes(5) No(1)
• sol:9
  
  sum of 2sides should always be equal or greater than 3rd side:
  sides:1,7,7
  2,6,7
  2,7,6
  3,5,7
  3,6,6
  4,4,7
  4,5,6
  5,3,7
  5,5,5
  
• 12 years agoHelpfull: Yes(0) No(6)
• 8 triangles
  
  sum of 2sides should always be equal or greater than 3rd side:
  sides:1,7,7
  2,7,6
  3,5,7
  3,6,6
  4,4,7
  4,5,6
  5,3,7
  5,5,5
• 12 years agoHelpfull: Yes(0) No(3)