# 19 22 28 triangle

### Acute scalene triangle.

**Sides:**a = 19 b = 22 c = 28

**Area:**T = 208.4432887861

**Perimeter:**p = 69

**Semiperimeter:**s = 34.5

**Angle**∠ A = α = 42.59111780237° = 42°35'28″ = 0.74333562888 rad

**Angle**∠ B = β = 51.59332135275° = 51°35'36″ = 0.99004714477 rad

**Angle**∠ C = γ = 85.81656084488° = 85°48'56″ = 1.4987764917 rad

**Height:**h

_{a}= 21.9411356617

**Height:**h

_{b}= 18.94993534419

**Height:**h

_{c}= 14.88987777044

**Median:**m

_{a}= 23.31884476327

**Median:**m

_{b}= 21.24985293609

**Median:**m

_{c}= 15.05499169433

**Inradius:**r = 6.04218228366

**Circumradius:**R = 14.03774182589

**Vertex coordinates:**A[28; 0] B[0; 0] C[11.80435714286; 14.88987777044]

**Centroid:**CG[13.26878571429; 4.96329259015]

**Coordinates of the circumscribed circle:**U[14; 1.02442613801]

**Coordinates of the inscribed circle:**I[12.5; 6.04218228366]

**Exterior(or external, outer) angles of the triangle:**

∠ A' = α' = 137.4098821976° = 137°24'32″ = 0.74333562888 rad

∠ B' = β' = 128.4076786473° = 128°24'24″ = 0.99004714477 rad

∠ C' = γ' = 94.18443915512° = 94°11'4″ = 1.4987764917 rad

Calculate another triangle