# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 9.22   b = 8.06   c = 7.07

Area: T = 27.49113470597
Perimeter: p = 24.35
Semiperimeter: s = 12.175

Angle ∠ A = α = 74.76993555891° = 74°46'10″ = 1.30549714346 rad
Angle ∠ B = β = 57.51096291213° = 57°30'35″ = 1.00437323798 rad
Angle ∠ C = γ = 47.72110152896° = 47°43'16″ = 0.83328888392 rad

Height: ha = 5.96334158481
Height: hb = 6.82216742084
Height: hc = 7.77769015728

Median: ma = 6.01884840284
Median: mb = 7.15993121178
Median: mc = 7.90550474382

Inradius: r = 2.25880161856
Circumradius: R = 4.77878153873

Vertex coordinates: A[7.07; 0] B[0; 0] C[4.95325954738; 7.77769015728]
Centroid: CG[4.00875318246; 2.59223005243]
Coordinates of the circumscribed circle: U[3.535; 3.21442331706]
Coordinates of the inscribed circle: I[4.115; 2.25880161856]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 105.2310644411° = 105°13'50″ = 1.30549714346 rad
∠ B' = β' = 122.4990370879° = 122°29'25″ = 1.00437323798 rad
∠ C' = γ' = 132.279898471° = 132°16'44″ = 0.83328888392 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    