Triangle Calculator
Calculate triangle properties including area, perimeter, and angles
Calculate triangle properties by providing at least 3 values including one side. Supports degrees and radians for angle measurements.
About Triangle Calculator
A triangle is a polygon with three sides and three angles. This calculator computes all properties given sufficient input data.
Formulas
Area = sqrt(s(s-a)(s-b)(s-c))
s = (a + b + c) / 2
Triangle Types:
- Equilateral: All sides equal
- Isosceles: Two sides equal
- Scalene: No sides equal
Key Properties:
- Inradius: Radius of inscribed circle
- Circumradius: Radius of circumscribed circle
- Height: Perpendicular distance to base