How it works
Right angle at C; c is the hypotenuse; α opposite a; β opposite b. Provide two values and compute the rest.
a²+b²=c² · A=½ab=½ch · h=ab/c · α+β=90°
When to use
Use this tool when you need to: try legs 3 and 4 (c=5, A=6, h=2.4), or c=5 with α=45° for an isosceles right triangle.
How to use this tool
- Enter your values in the fields above.
- Review the formula and any mode options for your problem.
- Read the result and the step-by-step solution.
Try legs 3 and 4 (c=5, A=6, h=2.4), or c=5 with α=45° for an isosceles right triangle.
Frequently asked questions
- What is the Right Triangle Calculator?
- Right angle at C; c is the hypotenuse; α opposite a; β opposite b. Provide two values and compute the rest.
- How do I use the Right Triangle Calculator?
- Enter the required values, then calculate. The Right Triangle Calculator shows results, formulas, and step-by-step work when available. No account is required.
- What formula does the Right Triangle Calculator use?
- a²+b²=c² · A=½ab=½ch · h=ab/c · α+β=90°
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