# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 19   b = 20   c = 24

Area: T = 184.285493563
Perimeter: p = 63
Semiperimeter: s = 31.5

Angle ∠ A = α = 50.1621560023° = 50°9'42″ = 0.87554843803 rad
Angle ∠ B = β = 53.92769820096° = 53°55'37″ = 0.94112033917 rad
Angle ∠ C = γ = 75.91114579674° = 75°54'41″ = 1.32549048815 rad

Height: ha = 19.39884142768
Height: hb = 18.4288493563
Height: hc = 15.35770779691

Median: ma = 19.94436706752
Median: mb = 19.19663538205
Median: mc = 15.37985564992

Inradius: r = 5.85503154168
Circumradius: R = 12.37221452989

Vertex coordinates: A[24; 0] B[0; 0] C[11.18875; 15.35770779691]
Centroid: CG[11.72991666667; 5.11990259897]
Coordinates of the circumscribed circle: U[12; 3.0121640632]
Coordinates of the inscribed circle: I[11.5; 5.85503154168]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 129.8388439977° = 129°50'18″ = 0.87554843803 rad
∠ B' = β' = 126.073301799° = 126°4'23″ = 0.94112033917 rad
∠ C' = γ' = 104.0898542033° = 104°5'19″ = 1.32549048815 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.