# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 6.32   b = 7.21   c = 4.47

Area: T = 13.98550578833
Perimeter: p = 18
Semiperimeter: s = 9

Angle ∠ A = α = 60.21113177853° = 60°12'41″ = 1.05108857423 rad
Angle ∠ B = β = 81.92223619879° = 81°55'20″ = 1.43298149477 rad
Angle ∠ C = γ = 37.86663202268° = 37°51'59″ = 0.66108919636 rad

Height: ha = 4.42656512289
Height: hb = 3.87993503144
Height: hc = 6.25772965921

Median: ma = 5.09987155245
Median: mb = 4.11989349352
Median: mc = 6.40106269224

Inradius: r = 1.55438953204
Circumradius: R = 3.64111251512

Vertex coordinates: A[4.47; 0] B[0; 0] C[0.88880536913; 6.25772965921]
Centroid: CG[1.78660178971; 2.08657655307]
Coordinates of the circumscribed circle: U[2.235; 2.87444681885]
Coordinates of the inscribed circle: I[1.79; 1.55438953204]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 119.7898682215° = 119°47'19″ = 1.05108857423 rad
∠ B' = β' = 98.07876380121° = 98°4'40″ = 1.43298149477 rad
∠ C' = γ' = 142.1343679773° = 142°8'1″ = 0.66108919636 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.