Finding the area of a triangle

There are several methods for finding the area of a triangle. Here is a infographic listing five of these based on information you are provided.

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Geometry Formulas Sheet

In Geometry more than half the battle is using the correct formula and more importantly knowing the formula.I have put together a list of Geometry formulas I hope will help you in class. If you follow this link you can download the complete list in a word document.
Geometry formulas
Here is a list of all the formulas covered.

Area of a Circle

Area of Equilateral Triangle

Area of  n gon

Area of a Parallelogram

Area of a Rectangle

Area of a Rhombus

Area of a Square

Area of a Trapezoid

Area of a Triangle

Base Area of Heptagon

Base Area of Hexagon

Base Area of Octagon

Base Area of Parallelogram

Base Area Pentagon

Base Area Rectangle

Base Area Square

Base Area Trapezoid

Base Area Triangle

Circumference of a Circle

Diagonals of N-gon

Distance Formula

Equation of a Circle

45 45 90 Triangle Hypotenuse

45 45 90 Triangle Legs

Heron’s Formula

Horizontal Line

Lateral Area of Cone

Lateral Area Cube

Lateral Area Cylinder

Lateral Area Prism

Lateral Area Pyramid

Lateral Area Rectangular Solid

Lateral Area Right Cone

Lateral Area Right Cylinder

Lateral Area Right Prism

Midpoint Formula

Perimeter of a Parallelogram

Perimeter of a Rectangle

Perimeter n gon

Perimeter of a Rhombus

Perimeter of a Square

Perimeter of a Trapezoid

Perimeter of a Triangle

Point Slope Form

Slope

Slope Intercept Form

Surface Area of a Cone

Surface Area of a Cube

Surface Area of a Cylinder

Surface Area of a Prism

Surface Area of a Pyramid

Surface Area of a Rectangular Prism

Surface Area of a right Cone

Surface Area of a Right Cylinder

Surface Area of a Right Prism

Surface Area of a Sphere

30 60 90 Triangle short and long legs

Vertical Line

Volume of Cone

Volume of Cube

Volume of Cylinder

Volume of Prism

Volume of Pyramid

Volume Rectangular Solid

Volume Right Cone

Volume Right Cylinder

Volume Right Prism

Volume of a Sphere

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