# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 17   b = 24   c = 30

Area: T = 203.8122260426
Perimeter: p = 71
Semiperimeter: s = 35.5

Angle ∠ A = α = 34.48218516526° = 34°28'55″ = 0.60218218435 rad
Angle ∠ B = β = 53.06598546227° = 53°3'35″ = 0.92660691638 rad
Angle ∠ C = γ = 92.45882937248° = 92°27'30″ = 1.61437016463 rad

Height: ha = 23.97879129913
Height: hb = 16.98443550355
Height: hc = 13.58774840284

Median: ma = 25.80221316949
Median: mb = 21.22549852768
Median: mc = 14.40548602909

Inradius: r = 5.74111904345
Circumradius: R = 15.01438170962

Vertex coordinates: A[30; 0] B[0; 0] C[10.21766666667; 13.58774840284]
Centroid: CG[13.40655555556; 4.52991613428]
Coordinates of the circumscribed circle: U[15; -0.6443974998]
Coordinates of the inscribed circle: I[11.5; 5.74111904345]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 145.5188148347° = 145°31'5″ = 0.60218218435 rad
∠ B' = β' = 126.9440145377° = 126°56'25″ = 0.92660691638 rad
∠ C' = γ' = 87.54217062752° = 87°32'30″ = 1.61437016463 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.