Description: Right triangle calculator finds missing triangle measurements. It calculates side lengths, angles, perimeter, area, altitude-to-hypotenuse, inradius, and ...

For a right-angled triangle, follow these steps to calculate an angle \(Ɵ\), when two sides are given: Note that scientific calculators need to be used for trigonometry and should be in degrees mode.

For a right-angled triangle, follow these steps to calculate the length of a side, \(x\), when another side and an angle Ɵ is given: Formula triangles can be used to help with rearranging the ...