# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 7   b = 15   c = 16

Area: T = 52.30767873225
Perimeter: p = 38
Semiperimeter: s = 19

Angle ∠ A = α = 25.84219327632° = 25°50'31″ = 0.45110268118 rad
Angle ∠ B = β = 69.07551675724° = 69°4'31″ = 1.20655891055 rad
Angle ∠ C = γ = 85.08328996645° = 85°4'58″ = 1.48549767363 rad

Height: ha = 14.94547963779
Height: hb = 6.97442383097
Height: hc = 6.53883484153

Median: ma = 15.10879449297
Median: mb = 9.81107084352
Median: mc = 8.54440037453

Inradius: r = 2.75329888064
Circumradius: R = 8.03295506855

Vertex coordinates: A[16; 0] B[0; 0] C[2.5; 6.53883484153]
Centroid: CG[6.16766666667; 2.17994494718]
Coordinates of the circumscribed circle: U[8; 0.68882472016]
Coordinates of the inscribed circle: I[4; 2.75329888064]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 154.1588067237° = 154°9'29″ = 0.45110268118 rad
∠ B' = β' = 110.9254832428° = 110°55'29″ = 1.20655891055 rad
∠ C' = γ' = 94.91771003355° = 94°55'2″ = 1.48549767363 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.