# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 17   b = 22   c = 23

Area: T = 176.7711038352
Perimeter: p = 62
Semiperimeter: s = 31

Angle ∠ A = α = 44.32327781336° = 44°19'22″ = 0.77435784121 rad
Angle ∠ B = β = 64.71657088213° = 64°42'57″ = 1.13295021967 rad
Angle ∠ C = γ = 70.96215130451° = 70°57'41″ = 1.23985120448 rad

Height: ha = 20.79765927473
Height: hb = 16.07700943956
Height: hc = 15.37113946393

Median: ma = 20.83986659842
Median: mb = 16.97105627485
Median: mc = 15.94552187191

Inradius: r = 5.70222915597
Circumradius: R = 12.16554543643

Vertex coordinates: A[23; 0] B[0; 0] C[7.26108695652; 15.37113946393]
Centroid: CG[10.08769565217; 5.12437982131]
Coordinates of the circumscribed circle: U[11.5; 3.96884102472]
Coordinates of the inscribed circle: I[9; 5.70222915597]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 135.6777221866° = 135°40'38″ = 0.77435784121 rad
∠ B' = β' = 115.2844291179° = 115°17'3″ = 1.13295021967 rad
∠ C' = γ' = 109.0388486955° = 109°2'19″ = 1.23985120448 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.