What is a Right Triangle Calculator?
A right triangle calculator solves missing sides and angles. Also, it calculates area and perimeter quickly. Therefore, it saves time.
Best Right Triangle Calculator
How to Use This Calculator
Simply enter any two values. Then, click calculate. For instance, two sides or one side and an angle.
After that, results appear automatically. Finally, use clear to reset.
Right Triangle Diagram
B
|\
| \
| \
a | \ c
| \
| \
A------C
b
∠C = 90° | AB = c (hypotenuse) | AC = b | BC = a
Why Our Calculator is the Best
Firstly, it is completely free. Moreover, it provides accurate results. Also, it works on any device.
Secondly, it handles all cases. For example, sides and angles. Consequently, it is very versatile.
Finally, it shows detailed results. Therefore, it is educational. Indeed, students love it.
Right Triangle Formulas
Pythagorean Theorem
a² + b² = c²
Relates all three sides of the triangle
Trigonometric Ratios
sin(A) = a/c
cos(A) = b/c
tan(A) = a/b
Area Calculation
Area = (a × b) / 2
Base times height divided by two
Perimeter
Perimeter = a + b + c
Sum of all three sides