# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 4   b = 24   c = 27

Area: T = 33.62994142084
Perimeter: p = 55
Semiperimeter: s = 27.5

Angle ∠ A = α = 5.95877163246° = 5°57'28″ = 0.10439817658 rad
Angle ∠ B = β = 38.51884730846° = 38°31'6″ = 0.67222741782 rad
Angle ∠ C = γ = 135.5243810591° = 135°31'26″ = 2.36553367097 rad

Height: ha = 16.81547071042
Height: hb = 2.8022451184
Height: hc = 2.49110677191

Median: ma = 25.46656631565
Median: mb = 15.11662164578
Median: mc = 10.66553645039

Inradius: r = 1.22328877894
Circumradius: R = 19.26988458974

Vertex coordinates: A[27; 0] B[0; 0] C[3.13296296296; 2.49110677191]
Centroid: CG[10.04332098765; 0.83303559064]
Coordinates of the circumscribed circle: U[13.5; -13.74991244163]
Coordinates of the inscribed circle: I[3.5; 1.22328877894]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 174.0422283675° = 174°2'32″ = 0.10439817658 rad
∠ B' = β' = 141.4821526915° = 141°28'54″ = 0.67222741782 rad
∠ C' = γ' = 44.47661894092° = 44°28'34″ = 2.36553367097 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.