Right Triangle (Pathagorean Theorem) Calculator

side a
side b
side c
angle A
angle B
angle C

Area:
Perimeter:
Circumscribed Circle Radius:
Inscribed Circle Radius:
Altitude of c:
Angle Bisector of a:
Angle Bisector of b:
Angle Bisector of c:
Median of a:
Median of b:
Median of c:


Right Triangle Equations
• 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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