# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 4.12   b = 3.61   c = 6.32

Area: T = 7.0099485556
Perimeter: p = 14.05
Semiperimeter: s = 7.025

Angle ∠ A = α = 37.91325129827° = 37°54'45″ = 0.66216981793 rad
Angle ∠ B = β = 32.57545160747° = 32°34'28″ = 0.56985325577 rad
Angle ∠ C = γ = 109.5132970943° = 109°30'47″ = 1.91113619166 rad

Height: ha = 3.40326628912
Height: hb = 3.88333714992
Height: hc = 2.21881916316

Median: ma = 4.71663174193
Median: mb = 5.021999751
Median: mc = 2.24400111607

Inradius: r = 0.99877915382
Circumradius: R = 3.35325507418

Vertex coordinates: A[6.32; 0] B[0; 0] C[3.47218908228; 2.21881916316]
Centroid: CG[3.26439636076; 0.73993972105]
Coordinates of the circumscribed circle: U[3.16; -1.12198198409]
Coordinates of the inscribed circle: I[3.415; 0.99877915382]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 142.0877487017° = 142°5'15″ = 0.66216981793 rad
∠ B' = β' = 147.4255483925° = 147°25'32″ = 0.56985325577 rad
∠ C' = γ' = 70.48770290574° = 70°29'13″ = 1.91113619166 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    