# Triangle calculator SSS - result

### Obtuse scalene triangle.

Sides: a = 3.53   b = 2.4   c = 1.15

Area: T = 0.31105653554
Perimeter: p = 7.08
Semiperimeter: s = 3.54

Angle ∠ A = α = 166.9944336942° = 166°59'40″ = 2.91546010118 rad
Angle ∠ B = β = 8.8011209819° = 8°48'4″ = 0.15436100895 rad
Angle ∠ C = γ = 4.2044453239° = 4°12'16″ = 0.07333815523 rad

Height: ha = 0.17659577085
Height: hb = 0.25988044629
Height: hc = 0.54401136616

Median: ma = 0.65327059062
Median: mb = 2.33548875776
Median: mc = 2.9633076948

Vertex coordinates: A[1.15; 0] B[0; 0] C[3.48884347826; 0.54401136616]
Centroid: CG[1.54661449275; 0.18800378872]
Coordinates of the circumscribed circle: U[0.575; 7.82216869894]
Coordinates of the inscribed circle: I[1.14; 0.08877303264]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 13.0065663058° = 13°20″ = 2.91546010118 rad
∠ B' = β' = 171.1998790181° = 171°11'56″ = 0.15436100895 rad
∠ C' = γ' = 175.7965546761° = 175°47'44″ = 0.07333815523 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    