# Online Triangle Calculator

Enter any valid input (3 side lengths, 2 sides and an angle or 2 angle and a 1 side) and our calculator will do the rest. (More info on how the tool works)

### Triangle 1

This is the acute triangle in Quandrant I, for more information on this topic, check out the law of sines ambiguous case

Sides Angles

### Triangle 2

This is the obtuse triangle in Quandrant II, for more information on this topic, check out the law of sines ambiguous case

Sides Angles

Your 3 side lengths ( ) are invalid.

Side Lengths of do not adhere to the triangle inequality theorem. which states that the sum of the side lengths of any 2 sides of a triangle must exceed the length of the third side. Read more about this rule here.

Status: Calculator waiting for input