# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 328.96   b = 280.51   c = 145

Area: T = 20225.55498292
Perimeter: p = 754.47
Semiperimeter: s = 377.235

Angle ∠ A = α = 966.0004607069° = 96°2″ = 1.67655241228 rad
Angle ∠ B = β = 587.9997368556° = 57°59'59″ = 1.01222863734 rad
Angle ∠ C = γ = 265.9998024375° = 25°59'59″ = 0.45437821574 rad

Height: ha = 122.9676621043
Height: hb = 144.2065552952
Height: hc = 278.9733101093

Median: ma = 151.0032515376
Median: mb = 212.0110319973
Median: mc = 296.9754781505

Inradius: r = 53.61552526389
Circumradius: R = 165.38661416

Vertex coordinates: A[145; 0] B[0; 0] C[174.3243522414; 278.9733101093]
Centroid: CG[106.4411174138; 92.99110336975]
Coordinates of the circumscribed circle: U[72.5; 148.64883294]
Coordinates of the inscribed circle: I[96.725; 53.61552526389]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 843.9995392931° = 83°59'58″ = 1.67655241228 rad
∠ B' = β' = 1222.000263144° = 122°1″ = 1.01222863734 rad
∠ C' = γ' = 1544.000197563° = 154°1″ = 0.45437821574 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.