# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 100   b = 90   c = 168.69

Area: T = 3680.588009046
Perimeter: p = 358.69
Semiperimeter: s = 179.345

Angle ∠ A = α = 29.00331587566° = 29°11″ = 0.50662006138 rad
Angle ∠ B = β = 25.87326319918° = 25°52'21″ = 0.45215626144 rad
Angle ∠ C = γ = 125.1244209252° = 125°7'27″ = 2.18438294254 rad

Height: ha = 73.61216018092
Height: hb = 81.79106686769
Height: hc = 43.63772054118

Median: ma = 125.611113824
Median: mb = 131.1610809886
Median: mc = 43.99991019795

Inradius: r = 20.5222345705
Circumradius: R = 103.1233010686

Vertex coordinates: A[168.69; 0] B[0; 0] C[89.97766319877; 43.63772054118]
Centroid: CG[86.22222106626; 14.54657351373]
Coordinates of the circumscribed circle: U[84.345; -59.33219164361]
Coordinates of the inscribed circle: I[89.345; 20.5222345705]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 150.9976841243° = 150°59'49″ = 0.50662006138 rad
∠ B' = β' = 154.1277368008° = 154°7'39″ = 0.45215626144 rad
∠ C' = γ' = 54.87657907485° = 54°52'33″ = 2.18438294254 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.