# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 14.2   b = 6.73   c = 19.31

Area: T = 35.9422446875
Perimeter: p = 40.24
Semiperimeter: s = 20.12

Angle ∠ A = α = 33.58331562132° = 33°34'59″ = 0.58661366491 rad
Angle ∠ B = β = 15.19882886843° = 15°11'54″ = 0.26552601782 rad
Angle ∠ C = γ = 131.2198555102° = 131°13'7″ = 2.29901958262 rad

Height: ha = 5.06223164613
Height: hb = 10.68112620728
Height: hc = 3.72326770456

Median: ma = 12.59766066859
Median: mb = 16.6111286073
Median: mc = 5.54997659041

Inradius: r = 1.78664039202
Circumradius: R = 12.83656554746

Vertex coordinates: A[19.31; 0] B[0; 0] C[13.70333454169; 3.72326770456]
Centroid: CG[11.00444484723; 1.24108923485]
Coordinates of the circumscribed circle: U[9.655; -8.45878381672]
Coordinates of the inscribed circle: I[13.39; 1.78664039202]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 146.4176843787° = 146°25'1″ = 0.58661366491 rad
∠ B' = β' = 164.8021711316° = 164°48'6″ = 0.26552601782 rad
∠ C' = γ' = 48.78114448975° = 48°46'53″ = 2.29901958262 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.