# 6 26 29 triangle

### Obtuse scalene triangle.

Sides: a = 6   b = 26   c = 29

Area: T = 71.0210683607
Perimeter: p = 61
Semiperimeter: s = 30.5

Angle ∠ A = α = 10.85884782286° = 10°51'31″ = 0.19895161968 rad
Angle ∠ B = β = 54.71990522364° = 54°43'9″ = 0.95550276251 rad
Angle ∠ C = γ = 114.4222469535° = 114°25'21″ = 1.99770488316 rad

Height: ha = 23.67435612023
Height: hb = 5.46331295082
Height: hc = 4.89879781798

Median: ma = 27.3776997644
Median: mb = 16.41664551594
Median: mc = 12.07326964676

Inradius: r = 2.32985470035
Circumradius: R = 15.92549382371

Vertex coordinates: A[29; 0] B[0; 0] C[3.46655172414; 4.89879781798]
Centroid: CG[10.82218390805; 1.63326593933]
Coordinates of the circumscribed circle: U[14.5; -6.58443494634]
Coordinates of the inscribed circle: I[4.5; 2.32985470035]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 169.1421521771° = 169°8'29″ = 0.19895161968 rad
∠ B' = β' = 125.2810947764° = 125°16'51″ = 0.95550276251 rad
∠ C' = γ' = 65.5787530465° = 65°34'39″ = 1.99770488316 rad

# How did we calculate this triangle?

Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known three sides SSS. ### 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.