# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 2   b = 26   c = 27

Area: T = 22.93333272771
Perimeter: p = 55
Semiperimeter: s = 27.5

Angle ∠ A = α = 3.74662095414° = 3°44'46″ = 0.0655383691 rad
Angle ∠ B = β = 58.1454569176° = 58°8'40″ = 1.01548141743 rad
Angle ∠ C = γ = 118.1099221283° = 118°6'33″ = 2.06113947883 rad

Height: ha = 22.93333272771
Height: hb = 1.76441020982
Height: hc = 1.69987649835

Median: ma = 26.48658452763
Median: mb = 14.05334693226
Median: mc = 12.56598566871

Inradius: r = 0.83439391737
Circumradius: R = 15.30552365999

Vertex coordinates: A[27; 0] B[0; 0] C[1.05655555556; 1.69987649835]
Centroid: CG[9.35218518519; 0.56662549945]
Coordinates of the circumscribed circle: U[13.5; -7.21111210903]
Coordinates of the inscribed circle: I[1.5; 0.83439391737]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 176.2543790459° = 176°15'14″ = 0.0655383691 rad
∠ B' = β' = 121.8555430824° = 121°51'20″ = 1.01548141743 rad
∠ C' = γ' = 61.89107787174° = 61°53'27″ = 2.06113947883 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.