# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 13.42   b = 28.02   c = 24.6

Area: T = 165.0665996498
Perimeter: p = 66.04
Semiperimeter: s = 33.02

Angle ∠ A = α = 28.61664296738° = 28°36'59″ = 0.4999450918 rad
Angle ∠ B = β = 89.98881983175° = 89°59'18″ = 1.57105903486 rad
Angle ∠ C = γ = 61.39553720086° = 61°23'43″ = 1.0721551387 rad

Height: ha = 24.65999994781
Height: hb = 11.7822012598
Height: hc = 13.42199997153

Median: ma = 25.49773743746
Median: mb = 14.01224266278
Median: mc = 18.20221537187

Inradius: r = 4.9998970215
Circumradius: R = 14.01100002972

Vertex coordinates: A[24.6; 0] B[0; 0] C[0.00327642276; 13.42199997153]
Centroid: CG[8.20109214092; 4.47333332384]
Coordinates of the circumscribed circle: U[12.3; 6.70774666102]
Coordinates of the inscribed circle: I[5; 4.9998970215]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 151.3843570326° = 151°23'1″ = 0.4999450918 rad
∠ B' = β' = 90.01218016825° = 90°42″ = 1.57105903486 rad
∠ C' = γ' = 118.6054627991° = 118°36'17″ = 1.0721551387 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.