Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Trigonometry
Law of Cosines Calculator
Calculate the unknown side of any triangle when two sides and the included angle are known, using the Law of Cosines. Essential for navigation, land surveying, and geometry problems.
Fill in the required fields to see your result.
Trigonometry
Right Triangle Calculator
Calculates the hypotenuse, area, perimeter, and angles of a right triangle from its two legs. Perfect for geometry homework, construction layout, and any design task involving perpendicular measurements.
Fill in the required fields to see your result.
Key differences
| Law of Cosines Calculator | Right Triangle Calculator | |
|---|---|---|
| Category | Trigonometry | Trigonometry |
| Inputs required | 4 | 3 |
| Result | Side C Length (units) | Result (units) |
| What it does | Calculate the unknown side of any triangle when two sides and the included angle are known, using the Law of Cosines. Essential for navigation, land surveying, and geometry problems. | Calculates the hypotenuse, area, perimeter, and angles of a right triangle from its two legs. Perfect for geometry homework, construction layout, and any design task involving perpendicular measurements. |