Find the perimeter of a triangle
The perimeter is the length of all sides of the polygon. The perimeter is denoted by a capital Latin letter P. There are several ways to find the perimeter of a triangle, which one to use depends on the initially known data.
.Find the perimeter knowing three sides
Side length A
Side length B
Side length C
Find the perimeter of a triangle, knowing its area and the radius of the inscribed circle
Area of a triangle S
Inscribed circle radius r
Find the perimeter of a triangle, knowing the two sides and the angle between them
Famous side А
Famous side B
Angle between sides α