Right triangle calculator

Easy to use calculator to solve right triangle problems. Here you can enter two known sides or angles and calculate unknown side ,angle or area. Step-by-step explanations are provided for each calculation.

Right Triangle Calculator

Input value you know and select what to compute.
show help ↓↓ examples ↓↓

I want to calculate:

Input two elements of a right triangle
( use letter r to input square root. Ex: $3\sqrt{2} = \text{3r2} $ )

leg $ a $

leg $ b $

hyp. $ c $

angle $ \alpha $

angle $\beta$

Area $ A $

working...

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examples

example 1:ex 1:

Find the hypotenuse of a right triangle in which the length of the legs are $18 cm$ and $ \frac{13}{2} cm$.

example 2:ex 2:

Find the angle $\alpha$ of a right triangle if hypotenuse $c = 8 cm$ and leg $a = 4cm$.

example 3:ex 3:

Find the hypotenuse $c$ if $\alpha = 50^{\circ} $ and leg $ a = 8 $.

example 4:ex 4:

Find the area of a right triangle in which $\beta = 30^{\circ}$ and $b = \frac{5}{4} cm$

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