Right Triangle (Pathagorean Theorem) Calculator
A right triangle is a triangle in which one angle is a right angle.
The side opposite the right angle is called the hypotenuse (side c in the figure). The sides adjacent to the right angle are called legs (side b in the figure). Side a may be identified as the side adjacent to angle B and opposed to (or opposite) angle A, while side b is the side adjacent to angle A and opposed to angle B.
| Pythagorean Theorem | c2 = a2 + b2 |
| Area | a × b / 2 |
| Altitude of c (h) | a × b / c |
| Angle Bisector of a | 2 × b × c × Cos(A/2) / (b + c) |
| Angle Bisector of b | 2 × a × c × Cos(B/2) / (a + c) |
| Angle Bisector of c (tc) | tc2 = 2 × a2 × b2 / (a + b)2 |
| Median of a ( ma ) | ma2 = b2 + 0.25 × a2 |
| Median of b ( mb ) | mb2 = a2 + 0.25 × b2 |
| Median of c ( mc ) | mc = c / 2 |
| Inscribed Circle Radius | a × b / ( a + b + c ) |
| Circumscribed Circle Radius | c / 2 |
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