# Triangle calculator SSS - result

Please enter the triangle sides:

### Right scalene triangle.

Sides: a = 4000   b = 6403.12   c = 5000

Area: T = 10000000.99999
Perimeter: p = 15403.12
Semiperimeter: s = 7701.56

Angle ∠ A = α = 38.66598385876° = 38°39'35″ = 0.67547414716 rad
Angle ∠ B = β = 909.9999222703° = 90° = 1.57107949702 rad
Angle ∠ C = γ = 51.34402391421° = 51°20'25″ = 0.89660562118 rad

Height: ha = 5000
Height: hb = 3123.477730481
Height: hc = 4000

Median: ma = 5385.162228792
Median: mb = 3201.564423743
Median: mc = 4716.988768996

Inradius: r = 1298.438823849
Circumradius: R = 3201.56

Vertex coordinates: A[5000; 0] B[0; 0] C[0.005542656; 4000]
Centroid: CG[1666.668847552; 1333.333333333]
Coordinates of the circumscribed circle: U[2500; 1999.99766084]
Coordinates of the inscribed circle: I[1298.44; 1298.438823849]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 141.3440161412° = 141°20'25″ = 0.67547414716 rad
∠ B' = β' = 900.0000777297° = 90° = 1.57107949702 rad
∠ C' = γ' = 128.6659760858° = 128°39'35″ = 0.89660562118 rad

# How did we calculate this triangle?

### 1. The triangle circumference is the sum of the lengths of its three sides ### 2. Semiperimeter of the triangle ### 3. The triangle area using Heron's formula ### 4. Calculate the heights of the triangle from its area. ### 5. Calculation of the inner angles of the triangle using a Law of Cosines ### 6. Inradius ### 7. Circumradius ### 8. Calculation of medians #### Look also our friend's collection of math examples and problems:

See more informations about triangles or more information about solving triangles.