# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 3.09   b = 1.78   c = 3.57

Area: T = 2.75500908349
Perimeter: p = 8.44
Semiperimeter: s = 4.22

Angle ∠ A = α = 59.94548049019° = 59°56'41″ = 1.0466234215 rad
Angle ∠ B = β = 29.90772730274° = 29°54'26″ = 0.52219803846 rad
Angle ∠ C = γ = 90.14879220706° = 90°8'53″ = 1.5733378054 rad

Height: ha = 1.78799940679
Height: hb = 3.09899897021
Height: hc = 1.54106671344

Median: ma = 2.36600052966
Median: mb = 3.21878253526
Median: mc = 1.78110179673

Inradius: r = 0.65216802926
Circumradius: R = 1.78550059488

Vertex coordinates: A[3.57; 0] B[0; 0] C[2.67985154062; 1.54106671344]
Centroid: CG[2.08328384687; 0.51435557115]
Coordinates of the circumscribed circle: U[1.785; -0.00546083932]
Coordinates of the inscribed circle: I[2.44; 0.65216802926]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 120.0555195098° = 120°3'19″ = 1.0466234215 rad
∠ B' = β' = 150.0932726973° = 150°5'34″ = 0.52219803846 rad
∠ C' = γ' = 89.85220779294° = 89°51'7″ = 1.5733378054 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.