# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 10.6   b = 8.1   c = 12.08

Area: T = 42.17659455281
Perimeter: p = 30.78
Semiperimeter: s = 15.39

Angle ∠ A = α = 59.55498788408° = 59°33' = 1.03993414549 rad
Angle ∠ B = β = 41.20547714314° = 41°12'17″ = 0.7199158929 rad
Angle ∠ C = γ = 79.24553497278° = 79°14'43″ = 1.38330922696 rad

Height: ha = 7.95877255713
Height: hb = 10.41438137106
Height: hc = 6.98327724384

Median: ma = 8.81435236994
Median: mb = 10.61879423619
Median: mc = 7.24659229916

Inradius: r = 2.74404772923
Circumradius: R = 6.14879878341

Vertex coordinates: A[12.08; 0] B[0; 0] C[7.97550165563; 6.98327724384]
Centroid: CG[6.68550055188; 2.32875908128]
Coordinates of the circumscribed circle: U[6.04; 1.14772377298]
Coordinates of the inscribed circle: I[7.29; 2.74404772923]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 120.4550121159° = 120°27' = 1.03993414549 rad
∠ B' = β' = 138.7955228569° = 138°47'43″ = 0.7199158929 rad
∠ C' = γ' = 100.7554650272° = 100°45'17″ = 1.38330922696 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.