# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 70   b = 56   c = 38.86

Area: T = 1086.227695514
Perimeter: p = 164.86
Semiperimeter: s = 82.43

Angle ∠ A = α = 93.34443508868° = 93°20'40″ = 1.62991662611 rad
Angle ∠ B = β = 533.0001958512° = 53°1″ = 0.92550279218 rad
Angle ∠ C = γ = 33.6555453262° = 33°39'20″ = 0.58773984707 rad

Height: ha = 31.03550558612
Height: hb = 38.79438198265
Height: hc = 55.90546297037

Median: ma = 33.13768344897
Median: mb = 49.20441644579
Median: mc = 60.33663497404

Inradius: r = 13.17875683021
Circumradius: R = 35.06597081206

Vertex coordinates: A[38.86; 0] B[0; 0] C[42.1276860525; 55.90546297037]
Centroid: CG[26.9965620175; 18.63548765679]
Coordinates of the circumscribed circle: U[19.43; 29.18331840877]
Coordinates of the inscribed circle: I[26.43; 13.17875683021]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 86.65656491132° = 86°39'20″ = 1.62991662611 rad
∠ B' = β' = 1276.999804149° = 126°59'59″ = 0.92550279218 rad
∠ C' = γ' = 146.3454546738° = 146°20'40″ = 0.58773984707 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.