Source the Perimeter Formula you require Quickly and Efficiently

Perimeter Formula Lists are few and far between on the internet. Sometimes you just want the area formula for a number of different shapes.  And that is what I offer you here.  So no more hopping around from one page to another - they are all here for you.

I also have a similar page offering:

Area Formula

Surface Area Formula  and

 Volume Formulas

However, should you want a number of different formula for one particular shape - then please visit our geometry formula page, where you will find an alphabetical listing of all the shapes the elementary math student studies.

Shape

Image

Perimeter Formula

Acute Triangle

Circle

Decagon

Equilateral Triangle

Hexagon

Isosceles Trapezoid

Isosceles Triangle

Kite

Let a = Length of short side

Let b = Length of long side

Perimeter = 2(a + b)

Obtuse Triangle

Octagon

Parallelogram

Let a = Length of short side

Let b = Length of long side

Perimeter = 2(a + b)

Pentagon

Rectangle

Let a = Length of short side

Let b = Length of long side

Perimeter = 2(a + b)

Rhombus

Right Triangle

Scalene Triangle

Septagon

Square

Trapezoid

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I am sure you will find all the information and worksheets you need here, however if there is anything you cannot find please don't hesitate to contact me or simply visit the MathMomentumCommunity and join the conversation!

I love to hear from my readers, and with a little feedback and a few suggestions I can make this a great resource for parents, teachers and tutors alike.

Be sure to explore everything on this site starting at the home page.

Move from Perimeter Formula to our Geometry Formula Section or 

Go to K6 Geometric Shapes Home Page, to explore all the other great sections I have to offer.