Math Tools

TriangleCalculator

Solve right triangles using the Pythagorean theorem. Calculate missing sides, angles, area, and perimeter for any right triangle.

Right Triangle Solver

Triangle Solution

Area6.00sq units
Perimeter12.00units

All Dimensions

Side A3.00
Side B4.00
Hypotenuse C5.00
Angle A36.87°
Angle B53.13°
Right Angle90.00°

Pythagorean Theorem

  • a² + b² = c²
  • c = √(a² + b²)
  • a = √(c² - b²)
  • b = √(c² - a²)

Trigonometry

  • sin(A) = a/c
  • cos(A) = b/c
  • tan(A) = a/b
  • A + B = 90°