# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 232   b = 100   c = 171.3

Area: T = 7762.362200483
Perimeter: p = 503.3
Semiperimeter: s = 251.65

Angle ∠ A = α = 115.0032598816° = 115°9″ = 2.00771739977 rad
Angle ∠ B = β = 22.99444303335° = 22°59'40″ = 0.40113285189 rad
Angle ∠ C = γ = 42.00329708501° = 42°11″ = 0.7333090137 rad

Height: ha = 66.91769138347
Height: hb = 155.2477240097
Height: hc = 90.62988617026

Median: ma = 78.84106303881
Median: mb = 197.6966345439
Median: mc = 156.7687590719

Inradius: r = 30.84658653083
Circumradius: R = 127.995454591

Vertex coordinates: A[171.3; 0] B[0; 0] C[213.5665936953; 90.62988617026]
Centroid: CG[128.2898645651; 30.21096205675]
Coordinates of the circumscribed circle: U[85.65; 95.11440435625]
Coordinates of the inscribed circle: I[151.65; 30.84658653083]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 64.99774011836° = 64°59'51″ = 2.00771739977 rad
∠ B' = β' = 157.0065569666° = 157°20″ = 0.40113285189 rad
∠ C' = γ' = 137.997702915° = 137°59'49″ = 0.7333090137 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.