# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 455   b = 495   c = 672

Area: T = 112612.4439739
Perimeter: p = 1622
Semiperimeter: s = 811

Angle ∠ A = α = 42.61661145003° = 42°36'58″ = 0.74437915124 rad
Angle ∠ B = β = 47.44331591994° = 47°26'35″ = 0.82880393356 rad
Angle ∠ C = γ = 89.94107263003° = 89°56'27″ = 1.57697618056 rad

Height: ha = 4954.999735117
Height: hb = 4554.999756522
Height: hc = 335.1566070652

Median: ma = 544.5622439028
Median: mb = 517.7343763628
Median: mc = 336.3476547477

Inradius: r = 138.8566275881
Circumradius: R = 3366.000179799

Vertex coordinates: A[672; 0] B[0; 0] C[307.7266190476; 335.1566070652]
Centroid: CG[326.5755396825; 111.7198690217]
Coordinates of the circumscribed circle: U[336; 0.34875992536]
Coordinates of the inscribed circle: I[316; 138.8566275881]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 137.38438855° = 137°23'2″ = 0.74437915124 rad
∠ B' = β' = 132.5576840801° = 132°33'25″ = 0.82880393356 rad
∠ C' = γ' = 90.05992736997° = 90°3'33″ = 1.57697618056 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.