Right triangle overview Print right triangle overview
Scalene triangle overview Print scalene triangle overview
Scalene triangle

Law of Sines:
Law of Cosines:
For any angle:
Area of a triangle (A)
Area by Heron's formula:
Where s is half the perimeter
The area (A) of a triangle is also equal to half the base multiply by the height
Triangle inequality:
Right, isosceles and equilateral triangle table Print right, isosceles and equilateral triangle table
Similar triangles Print similar triangles summary
Triangle circumcircle Print triangle circumcircle summary
Angles bisectors and incircle Print angles bisectors and incircle summary
Triangle medians Print triangle medians summary
Triangle altitudes Print triangle altitudes summary
Ceva's theorem Print Ceva's theorem