# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 2.3   b = 1.8   c = 3.68

Area: T = 1.64876165786
Perimeter: p = 7.78
Semiperimeter: s = 3.89

Angle ∠ A = α = 29.83326762391° = 29°49'58″ = 0.52106784251 rad
Angle ∠ B = β = 22.91224051877° = 22°54'45″ = 0.43998969101 rad
Angle ∠ C = γ = 127.2554918573° = 127°15'18″ = 2.22110173185 rad

Height: ha = 1.43327100683
Height: hb = 1.83106850873
Height: hc = 0.89554437927

Median: ma = 2.65987026912
Median: mb = 2.93436325605
Median: mc = 0.93877632964

Inradius: r = 0.42435518197
Circumradius: R = 2.31217028862

Vertex coordinates: A[3.68; 0] B[0; 0] C[2.11985326087; 0.89554437927]
Centroid: CG[1.93328442029; 0.29884812642]
Coordinates of the circumscribed circle: U[1.84; -1.39994178196]
Coordinates of the inscribed circle: I[2.09; 0.42435518197]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 150.1677323761° = 150°10'2″ = 0.52106784251 rad
∠ B' = β' = 157.0887594812° = 157°5'15″ = 0.43998969101 rad
∠ C' = γ' = 52.74550814268° = 52°44'42″ = 2.22110173185 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.