With Basic Geometry Formulas

Choose a geometry formula sheet below for the formulas you're using. Geometry shows the relation of an object to the space around it.

Kids love geometry when they know these equations are so useful. Having the equations on a poster makes them easy to remember. See more topics below the posters.

* List of Math Volume Formulas

There is a real measurement that we can take of a figure so as to use that measurement to build good buildings, sew frugally, and plan interior design or landscapes. Print or download a PDF geometry formula sheet for:

- Area and Perimeter
- 3 D Surface Area
- Volume

In the case of Math formulas it is good to find how the formula is derived. Once the understanding is there the memorizing is easy or even unnecessary.

It is easier to understand the surface area of a cone if one understands that it is half the area of a circle with the measurements of the conical shape plus the area of the circle that forms the base of the cone. This is easy to see when you show a half circle of paper folded into a cone over the base piece of paper.

It is also easy to see that the circumference of the base circle is also 1/2 the circumference of the top circle.

List Of Math Perimeter Formulas

The perimeter of a figure is the distance or length of a line **around **the figure. Simple addition can find the distance. See the equations on our printable geometry formula sheet. These are the basic geometry formulas for perimeter:

**Square Perimeter**side + side + side + side = Perimeter of a Square; s+s+s+s=P; 4*s=P**Rectangle Perimeter**length + width + length + width = Perimeter of a Rectangle; l + w + l + w = P; 2l + 2w = P**Parallelogram Perimeter**length + width + length + width = Perimeter of a Parallelogram; l + w + l + w = P; 2l + 2w = P**Trapezoid Perimeter**length + width + length + width = Perimeter of a Trapezoid; l + w + l + w = P; 2l + 2w = P**Triangle Perimeter**side + side + side = Perimeter of a Triangle; s+s+s=3s; 3s=P**Circle Perimeter = Circumference**twice the radius x*pi*= Circumference of a Circle; 2*pi*r=P

A geometry synonym is Earth measuring and it measures lengths, areas, and volumes.

Even simple backyard projects are helped by knowing the relations between shape and size.

Euclidean Geometry is the study of the axioms formulated by the Greek philosopher named Euclid. His book *Elements* has been the main textbook for teaching Mathematics from nearly 300 BC till the early 20th century.

Euclid starts with definitions and makes propositions and theories from them. It is a very concise book if you happen to be able to get a copy of it (you can try Amazon). Euclid's Geometry is a member of the Great Books sets, too. We base each of our basic geometry formula sheets on his work.

The surface Area of a plane covers the plane from side to side on a two dimensional surface. Remember to convert measurements to the same units of measurement. Measurements in one kind of unit give give the answer as that unit squared since unit x unit = u2; u*u=u2; Inches x inches = inches2; in x in = in2

These are the basic geometry formulas for Area:

**Square Area**length of side x length of side = Area of a Square; s*s=A; s2**Rectangle Area**length x width = Area; lw=A**Parallelogram Area**base x height = Area; bh=A**Trapezoid Area**h/2(b1 + b2**Circle Area***pi*r2 = Area of a Circle**Elipse Area***pi*r1r2 = Area of an Elipse**Triangle Area**half of base x height = Area of a Triangle; bh/2=A; (lw/2)**Equilateral Triangle Area**square root of 3 divided by 4 x side squared = Area of an Equilateral Triangle; √3/4(s2)

Our printable multiplication and worksheets are a first step in learning regular sided perimeter, area, and volume formulas. Find our multiplication worksheets here.

The Volume of a figure measures what the figure holds when filled, even with air. Again, remember to convert measurements to the same units. Since three measurements are involved, volumes will be given in cubed units. Unit x unit x unit = u3. u*u*u=u3; Inches x inches x inches= inches3; in x in x in = in3

These are the basic geometry formulas for Volume:

**Cube Volume**a square squared; side x side x side = Volume of a Cube; side3=V**Rectangular Cube Volume**height x length x width = Volume of a Rectangular Cube; hlw=V**Pyramid Volume**(1/3) base x height = Volume of a Pyramid; 1/3bh=V**Cone Volume**One third the base x height = Volume of a Cone; (1/3)bh=V**Sphere Volume**Four thirds x pi x radius cubed = Volume of a Sphere; 4/3*pi*r3=V

See our free Math Dictionary that has all the information found in our geometry formula sheets. It's a PDF, too, so you can print it or view it from a tablet or phone.

See wonderful first grade through high school geometry worksheets at Maria Miller's Math Mammoth.

This Math curriculum is concise, colorful, and interesting to teachers, parents, and students.

I say colorful. I don't mean cartoons. Graphs, icons, charts, and blocks are very nicely rendered.

Excellent preschool through high school Math.

Maria Miller's Math Mammoth Math curriculum worksheets.

You can also benefit by using Mathway as it has a **geometry online calculator**. You enter the problem and Mathway finds the answer.

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