# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 7   b = 20   c = 24

Area: T = 62.38553949254
Perimeter: p = 51
Semiperimeter: s = 25.5

Angle ∠ A = α = 15.06664512874° = 15°3'59″ = 0.26329591816 rad
Angle ∠ B = β = 47.9660493671° = 47°57'38″ = 0.83770685254 rad
Angle ∠ C = γ = 116.9733055042° = 116°58'23″ = 2.04215649466 rad

Height: ha = 17.82443985501
Height: hb = 6.23985394925
Height: hc = 5.19987829105

Median: ma = 21.81216941112
Median: mb = 14.57773797371
Median: mc = 8.97221792225

Inradius: r = 2.44664860755
Circumradius: R = 13.46546899487

Vertex coordinates: A[24; 0] B[0; 0] C[4.68875; 5.19987829105]
Centroid: CG[9.56325; 1.73329276368]
Coordinates of the circumscribed circle: U[12; -6.10771986553]
Coordinates of the inscribed circle: I[5.5; 2.44664860755]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 164.9343548713° = 164°56'1″ = 0.26329591816 rad
∠ B' = β' = 132.0439506329° = 132°2'22″ = 0.83770685254 rad
∠ C' = γ' = 63.02769449584° = 63°1'37″ = 2.04215649466 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.