We are going to share Perimeter Formulas for the student who is studying in the class of 5, 6, 7, 8, 9, 10, 11, and 12. In math, Perimeter is a very important topic which is helping to improve scores in the exam. If you want to become very intelligent in math then you should remember the Perimeter Formulas to resolve Perimeter related problems. If you have any questions related to the Perimeter please let me know through the comment and mail. There are millions of students looking for Perimeter formulas that why we shared Perimeter formulas below.

 Perimeter Formula of a Semicircle: \( \pi \times r \)
Where, r = Radius
 Perimeter Formula of a Sector: \( \frac{\theta}{360} \times 2 \pi r \)
Where, r= radiius
 Perimeter Formula of a Circle: \( 2 \pi \times r \)
Where, r = Radius
 Perimeter Formula of a Cylinder: \( 2 \pi r h \)
Where, r = radius, h = height
 Perimeter Formula of a Kite: \( 2(a+b) \)
Where, a = Length of first pair, b = Length of second pair
 Perimeter Formula of a Parallelogram: \( 2(a + b) \)
Where, a = Length of Height, b = Length of Width
 Perimeter Formula of a Rectangle: \( 2(a + b) \)
Where, a = Length of Height, b = Length of Width
 Perimeter Formula of Ellipse: \( 2\pi \sqrt{\frac{a^2 + b^2 }{2}} \)
Where, a = Length of Major Axis, b = Length of Minor Axis
 Perimeter Formula of Equalateral Triangle: \( 3a \)
Where, a = Length of a side
 Perimeter Formula of a Square: \( 4 \times a \)
Where, a = Length of a side
 Perimeter Formula of Rhombus: \( 4 \times a \)
Where, a = Length of a side
 Perimeter Formula of Regular Pentagon: \( 5 \times a \)
Where, a = Length of a side
 Perimeter Formula of a Hexagon: \( 6 \times \)
Where, a = Length of a side
 Perimeter Formula of Regular Octagon: \( 8 \times a \)
Where, a = Length of a side
 Perimeter Formula of a Triangle: \( a + b + c \)
Where, a , b and c being the side lengths
 Perimeter Formula of a Quadrilateral: \( a +b+c+d \)
Where, a, b, c, d being the sides of the Quadrilateral
 Perimeter Formula of a Trapezoid: \( a +b+c+d \)
Where, a, b, c, d being the sides of the trapezoid
 Perimeter Formula of a Regular Polygon: \( n \times a \)
Where, a = Length of Side, n = No of Sides
 Perimeter Formula of a Rectangular Prism: \( 2(a + b) \)
Where, a = Length of Height, b = Length of Width
 Perimeter Formula of Shapes: \( n \times a \)
Where, a = Length of Side, n = No of Sides
 Perimeter Formula of Isosceles Triangle: \( 2a+b \)
Where, a = Length of equal side, b = Length of other side
 Perimeter Formula of Right angle Triangle: \( a+ b + \sqrt{a^2+b^2} \)
Where, a = Length of Base, b = Length of height

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