# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 120   b = 100   c = 46.55

Area: T = 2259.55443747
Perimeter: p = 266.55
Semiperimeter: s = 133.275

Angle ∠ A = α = 103.8788283305° = 103°52'42″ = 1.8133018065 rad
Angle ∠ B = β = 53.99989498333° = 53°59'56″ = 0.94224594672 rad
Angle ∠ C = γ = 22.12327668616° = 22°7'22″ = 0.38661151214 rad

Height: ha = 37.65992395783
Height: hb = 45.1911087494
Height: hc = 97.08107464962

Median: ma = 49.83442377287
Median: mb = 76.04990055819
Median: mc = 107.9733489223

Inradius: r = 16.95440752181
Circumradius: R = 61.80442219137

Vertex coordinates: A[46.55; 0] B[0; 0] C[70.5366009667; 97.08107464962]
Centroid: CG[39.0298669889; 32.36602488321]
Coordinates of the circumscribed circle: U[23.275; 57.2544137155]
Coordinates of the inscribed circle: I[33.275; 16.95440752181]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 76.12217166949° = 76°7'18″ = 1.8133018065 rad
∠ B' = β' = 126.0011050167° = 126°4″ = 0.94224594672 rad
∠ C' = γ' = 157.8777233138° = 157°52'38″ = 0.38661151214 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.