# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 51   b = 110   c = 148.03

Area: T = 2148.79657948
Perimeter: p = 309.03
Semiperimeter: s = 154.515

Angle ∠ A = α = 15.30331648452° = 15°18'11″ = 0.26770906125 rad
Angle ∠ B = β = 34.69881422477° = 34°41'53″ = 0.60655968265 rad
Angle ∠ C = γ = 129.9998692907° = 129°59'55″ = 2.26989052145 rad

Height: ha = 84.2676501757
Height: hb = 39.0699014451
Height: hc = 29.0321896167

Median: ma = 127.891132281
Median: mb = 96.08329873078
Median: mc = 43.27698483358

Inradius: r = 13.90767132305
Circumradius: R = 96.6187871043

Vertex coordinates: A[148.03; 0] B[0; 0] C[41.93302874417; 29.0321896167]
Centroid: CG[63.32200958139; 9.67772987223]
Coordinates of the circumscribed circle: U[74.015; -62.10330818871]
Coordinates of the inscribed circle: I[44.515; 13.90767132305]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 164.6976835155° = 164°41'49″ = 0.26770906125 rad
∠ B' = β' = 145.3021857752° = 145°18'7″ = 0.60655968265 rad
∠ C' = γ' = 50.00113070929° = 50°5″ = 2.26989052145 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.