# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 1.05   b = 2.4   c = 1.5

Area: T = 0.50878412492
Perimeter: p = 4.95
Semiperimeter: s = 2.475

Angle ∠ A = α = 16.38876115035° = 16°23'15″ = 0.28660177773 rad
Angle ∠ B = β = 139.8433487791° = 139°50'37″ = 2.44107292994 rad
Angle ∠ C = γ = 23.76989007051° = 23°46'8″ = 0.41548455769 rad

Height: ha = 0.96773166651
Height: hb = 0.4233201041
Height: hc = 0.67771216656

Median: ma = 1.93111589784
Median: mb = 0.48660555524
Median: mc = 1.69437384686

Inradius: r = 0.20551883835
Circumradius: R = 1.8610817729

Vertex coordinates: A[1.5; 0] B[0; 0] C[-0.80325; 0.67771216656]
Centroid: CG[0.23325; 0.22657072219]
Coordinates of the circumscribed circle: U[0.75; 1.70329805109]
Coordinates of the inscribed circle: I[0.075; 0.20551883835]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 163.6122388497° = 163°36'45″ = 0.28660177773 rad
∠ B' = β' = 40.15765122086° = 40°9'23″ = 2.44107292994 rad
∠ C' = γ' = 156.2311099295° = 156°13'52″ = 0.41548455769 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.