# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 45   b = 656   c = 657.54

Area: T = 147609.9999902
Perimeter: p = 1358.54
Semiperimeter: s = 679.27

Angle ∠ A = α = 3.92442129194° = 3°55'27″ = 0.0688490436 rad
Angle ∠ B = β = 86.07878720104° = 86°4'40″ = 1.50223422797 rad
Angle ∠ C = γ = 89.99879150702° = 89°59'53″ = 1.57107599379 rad

Height: ha = 6565.999999566
Height: hb = 454.9999999702
Height: hc = 44.89546071425

Median: ma = 656.3854929595
Median: mb = 331.0710877306
Median: mc = 328.7721633661

Inradius: r = 21.72992092838
Circumradius: R = 328.7770000218

Vertex coordinates: A[657.54; 0] B[0; 0] C[3.07880268881; 44.89546071425]
Centroid: CG[220.2066008963; 14.96548690475]
Coordinates of the circumscribed circle: U[328.77; 0.0121963575]
Coordinates of the inscribed circle: I[23.27; 21.72992092838]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 176.0765787081° = 176°4'33″ = 0.0688490436 rad
∠ B' = β' = 93.92221279896° = 93°55'20″ = 1.50223422797 rad
∠ C' = γ' = 90.00220849298° = 90°7″ = 1.57107599379 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.