The perimeter of the triangle is 
The perimeter of the two triangles is 
The perimeter of the three triangles is 
The relationship between the number of triangles and the perimeter is 
Further explanation:
The perimeter the triangle can be obtained as follows,

Given:
Explanation:
The perimeter of one triangle can be obtained as follows,

The perimeter of the triangle is 
The perimeter of one triangle can be obtained as follows,

The perimeter of the two triangles is 
The perimeter of one triangle can be obtained as follows,

The perimeter of the three triangles is 
The relationship between the number of triangles and the perimeter can be expressed as follows,

Here,
represents the number of sides.
The relationship between the number of triangles and the perimeteris 
Learn more:
- Learn more about inverse of the functionhttps://brainly.com/question/1632445.
- Learn more about equation of circle brainly.com/question/1506955.
- Learn more about range and domain of the function brainly.com/question/3412497
Answer details:
Grade: High School
Subject: Mathematics
Chapter: Triangles
Keywords: Number, relationship, triangles, perimeter, number of triangles, 2 triangles, 3 triangles, table, between the sides, represents.