# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 22   b = 24   c = 28

Area: T = 254.8233468307
Perimeter: p = 74
Semiperimeter: s = 37

Angle ∠ A = α = 49.32436272308° = 49°19'25″ = 0.86108596942 rad
Angle ∠ B = β = 55.82773636603° = 55°49'38″ = 0.97443713086 rad
Angle ∠ C = γ = 74.84990091089° = 74°50'56″ = 1.30663616508 rad

Height: ha = 23.16657698461
Height: hb = 21.23552890256
Height: hc = 18.20216763076

Median: ma = 23.64331808351
Median: mb = 22.13659436212
Median: mc = 18.27656668825

Inradius: r = 6.88771207651
Circumradius: R = 14.50441586026

Vertex coordinates: A[28; 0] B[0; 0] C[12.35771428571; 18.20216763076]
Centroid: CG[13.45223809524; 6.06772254359]
Coordinates of the circumscribed circle: U[14; 3.79108596348]
Coordinates of the inscribed circle: I[13; 6.88771207651]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 130.6766372769° = 130°40'35″ = 0.86108596942 rad
∠ B' = β' = 124.173263634° = 124°10'22″ = 0.97443713086 rad
∠ C' = γ' = 105.1510990891° = 105°9'4″ = 1.30663616508 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.