# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 14   b = 20   c = 23

Area: T = 138.9944379383
Perimeter: p = 57
Semiperimeter: s = 28.5

Angle ∠ A = α = 37.18801691374° = 37°10'49″ = 0.64989163679 rad
Angle ∠ B = β = 59.69113221687° = 59°41'29″ = 1.04218101067 rad
Angle ∠ C = γ = 83.12985086939° = 83°7'43″ = 1.4510866179 rad

Height: ha = 19.85663399118
Height: hb = 13.89994379383
Height: hc = 12.08664677724

Median: ma = 20.38438171106
Median: mb = 16.2021851746
Median: mc = 12.87443931896

Inradius: r = 4.87769957678
Circumradius: R = 11.58332021924

Vertex coordinates: A[23; 0] B[0; 0] C[7.06552173913; 12.08664677724]
Centroid: CG[10.02217391304; 4.02988225908]
Coordinates of the circumscribed circle: U[11.5; 1.38658474052]
Coordinates of the inscribed circle: I[8.5; 4.87769957678]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 142.8219830863° = 142°49'11″ = 0.64989163679 rad
∠ B' = β' = 120.3098677831° = 120°18'31″ = 1.04218101067 rad
∠ C' = γ' = 96.87114913061° = 96°52'17″ = 1.4510866179 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.