# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 10   b = 29   c = 29

Area: T = 142.8298568571
Perimeter: p = 68
Semiperimeter: s = 34

Angle ∠ A = α = 19.85663836846° = 19°51'23″ = 0.34765592728 rad
Angle ∠ B = β = 80.07218081577° = 80°4'19″ = 1.39875166904 rad
Angle ∠ C = γ = 80.07218081577° = 80°4'19″ = 1.39875166904 rad

Height: ha = 28.56657137142
Height: hb = 9.85502461083
Height: hc = 9.85502461083

Median: ma = 28.56657137142
Median: mb = 16.13222658049
Median: mc = 16.13222658049

Inradius: r = 4.20108402521
Circumradius: R = 14.72204443833

Vertex coordinates: A[29; 0] B[0; 0] C[1.7244137931; 9.85502461083]
Centroid: CG[10.24113793103; 3.28334153694]
Coordinates of the circumscribed circle: U[14.5; 2.53880076523]
Coordinates of the inscribed circle: I[5; 4.20108402521]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 160.1443616315° = 160°8'37″ = 0.34765592728 rad
∠ B' = β' = 99.92881918423° = 99°55'41″ = 1.39875166904 rad
∠ C' = γ' = 99.92881918423° = 99°55'41″ = 1.39875166904 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.