Perimeter of a Square:

**P = 4s**

Perimeter of a Rectangle:

**P = 2l + 2w **or ** P = 2( l + w )**

Perimeter of a Rhombus:

**P = 4s**

Perimeter of a Parallelogram:

**P = 2a + 2b ** or** P = 2(a + b)**

Perimeter of a Regular Hexagon:

**P = 6s**

Perimeter of an Equilateral Triangle:

**P = 3s**

Perimeter of an Isosceles Triangle:

**P = 2a + b**

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