# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 6.8   b = 4.5   c = 10.67

Area: T = 9.6910764259
Perimeter: p = 21.97
Semiperimeter: s = 10.985

Angle ∠ A = α = 23.80769138894° = 23°48'25″ = 0.41655090321 rad
Angle ∠ B = β = 15.49332647179° = 15°29'36″ = 0.27704084812 rad
Angle ∠ C = γ = 140.7699821393° = 140°41'59″ = 2.45656751403 rad

Height: ha = 2.85502247821
Height: hb = 4.30770063374
Height: hc = 1.81664506577

Median: ma = 7.44991241096
Median: mb = 8.65992118579
Median: mc = 2.18769556466

Inradius: r = 0.88221815438
Circumradius: R = 8.42330198793

Vertex coordinates: A[10.67; 0] B[0; 0] C[6.5532900656; 1.81664506577]
Centroid: CG[5.74109668853; 0.60554835526]
Coordinates of the circumscribed circle: U[5.335; -6.51880548393]
Coordinates of the inscribed circle: I[6.485; 0.88221815438]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 156.1933086111° = 156°11'35″ = 0.41655090321 rad
∠ B' = β' = 164.5076735282° = 164°30'24″ = 0.27704084812 rad
∠ C' = γ' = 39.33001786073° = 39°18'1″ = 2.45656751403 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.