Triangle Calculator for Right Triangles
The Pythagorean Theorem

Choose a Calculation:
Enter:
a =
b =
 
c =
P =
s =
K =
ha =
hb =
hc =

Right Triangle Diagram with Angles A, B and C and sides opposite those angles a, b and c respectively
A = angle A
a = side a
B = angle B
b = side b
C = angle C
c = side c
K = area
P = perimeter

See Diagram Below:
ha = altitude of a
hb = altitude of b
hc = altitude of c

Right Triangle Diagram with Angles A, B and C and altitudes ha, hb and hc respectively
 

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