Geometry Reference Formula

Geometry (Greek γεωμετρία; geo = earth, metria = measure) is a part of mathematics concerned with questions of size, shape, and relative position of figures and with properties of space, this science can be found from Egypt, Mesopotamia.

you can looking more about geometry here, picture below shown the basic formula and calculation of basic shape.
1. Polygon Shape


2. Triangle
Here are three different types of triangles:

the triangle type is :
a. Scalene triangles have no equal sides and therefore no equal angles.
b. Isosceles triangles have two equal sides, which means they also have two equal angles
c. Equilateral triangles are a model of uniformity, the interior angles are always 60˚.

Triangles and Pythagoras

A Pythagoras triangle is a triangle with one 90˚ interior angle (called a right angle). Because the angles of a triangle must total 180˚


for learn more about Geometry and trigonometry you should download PDF file tutorial here

2D Geometry Formula Download
you should download 2D list of geometry formula here, this geometry formula list include, triangle, circular ring, elips, circular ring and others.

You also can download Plane Geometry Formulas by clicking this link

for 2D and 3D geometry formula list you can download from http://www.austincc.edu/by clicking this link

for volume geometry formula list you can download from this link


 
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