Master Triangle System
A complete interactive triangle learning system with live formulas, clear diagrams, solved examples, auto-correction, and clear step-by-step explanations after every answer.
Equilateral Triangle
Isosceles Triangle
Scalene Triangle
Right Triangle
Formulas
Perimeter
P = a + b + c
P = perimeter
a, b, c = the three side lengths of the triangle.
a, b, c = the three side lengths of the triangle.
Area
Area = 1/2 × b × h
b = base
h = perpendicular height
The height must meet the base at a 90° angle.
h = perpendicular height
The height must meet the base at a 90° angle.