# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 10.2   b = 6.71   c = 10.63

Area: T = 33.01217275943
Perimeter: p = 27.54
Semiperimeter: s = 13.77

Angle ∠ A = α = 67.76551731896° = 67°45'55″ = 1.18327253903 rad
Angle ∠ B = β = 37.51219160086° = 37°30'43″ = 0.65547064431 rad
Angle ∠ C = γ = 74.72329108019° = 74°43'22″ = 1.30441608202 rad

Height: ha = 6.47328877636
Height: hb = 9.84395611309
Height: hc = 6.21110494063

Median: ma = 7.28801442293
Median: mb = 9.8622171414
Median: mc = 6.80331481683

Inradius: r = 2.39773658384
Circumradius: R = 5.51096969548

Vertex coordinates: A[10.63; 0] B[0; 0] C[8.09109125118; 6.21110494063]
Centroid: CG[6.24403041706; 2.07703498021]
Coordinates of the circumscribed circle: U[5.315; 1.45217353526]
Coordinates of the inscribed circle: I[7.06; 2.39773658384]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 112.235482681° = 112°14'5″ = 1.18327253903 rad
∠ B' = β' = 142.4888083991° = 142°29'17″ = 0.65547064431 rad
∠ C' = γ' = 105.2777089198° = 105°16'38″ = 1.30441608202 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.