Equilateral Triangle

Solving for inscribed circle radius:

length of side (a)

= 0

= 0

Inscribed Circle Radius (r)

= NOT CALCULATED

Select to solve for a different unknown

Scalene Triangle:

No sides have equal length

No angles are equal

No sides have equal length

No angles are equal

Scalene Triangle Equations

These equations apply to any type of triangle. Reduced

equations for equilateral, right and isosceles are below.

These equations apply to any type of triangle. Reduced

equations for equilateral, right and isosceles are below.

Law of Cosines

length of side a | |

angle of A |

Equilateral Triangle:

All three sides have equal length

All three angles are equal to 60 degrees

All three sides have equal length

All three angles are equal to 60 degrees

Equilateral Triangle Equations

Perimeter | |

Semiperimeter | |

Area | |

Altitude | |

Median | |

Angle Bisector | |

Circumscribed Circle Radius | |

Inscribed Circle Radius |

Right Triangle:

One angle is equal to 90 degrees

One angle is equal to 90 degrees

Right Triangle Equations

Isosceles Triangle:

Two sides have equal length

Two angles are equal

Two sides have equal length

Two angles are equal

Isosceles Triangle Equations

Where

P | = | Perimeter |

s | = | Semiperimeter |

a | = | Length of side a |

b | = | Length of side b |

c | = | Length of side c |

h | = | Altitude |

m | = | Median |

A | = | Angle A |

B | = | Angle B |

C | = | Angle C |

t | = | Angle bisector |

R | = | Circumscribed Circle Radius |

r | = | Inscribed Circle Radius |

Reference - Books: 1) Max A. Sobel and Norbert Lerner. 1991. Precalculus Mathematics. Prentice Hall. 4th ed.

Infant Growth Charts - Baby Percentiles
Overtime Pay Rate Calculator
Salary Hourly Pay Converter - Jobs
Percent Off - Sale Discount Calculator
Pay Raise Increase Calculator
Linear Interpolation Calculator
Dog Age Calculator
Ideal Gas Law Calculator
Bank Discount Equations Calculator
Triangle Calculator
Circle Equations Calculator
Manning Equations Calculator
Natural Log Equations Calculator
Trigonometry Equations Calculator
Weight Loss Formulas Calculator
Venturi Meter Flow Rate
Physics Equations Formulas Calculators
Subwoofer Box Calculator
Newton Second Law of Motion
Quadratic Formula Calculator
Engine Motor Horsepower Calculator
Lightning Distance Calculator
Tire Size Comparison Calculator
Radioactive Material Equation Calculator
Simplify Fractions Calculator
Chezy Equations Formulas Calculator
Pump Calculator - Water Hydraulics

Home: PopularIndex 1Index 2Index 3Index 4Infant ChartMath GeometryPhysics ForceFluid MechanicsFinanceLoan CalculatorNursing Math

Online Web Apps, Rich Internet Application, Technical Tools, Specifications, How to Guides, Training, Applications, Examples, Tutorials, Reviews, Answers, Test Review Resources, Analysis, Homework Solutions, Worksheets, Help, Data and Information for Engineers, Technicians, Teachers, Tutors, Researchers, K-12 Education, College and High School Students, Science Fair Projects and Scientists

By Jimmy Raymond

Contact: aj@ajdesigner.com

Privacy Policy, Disclaimer and Terms

Copyright 2002-2015