# Triangle calculator - result

*You have entered side a and ratio angles α:β:γ = 1:4:5.*

### Right scalene triangle.

**Sides:**a = 2 b = 6.15553670744 c = 6.4722135955

**Area:**T = 6.15553670744

**Perimeter:**p = 14.62875030294

**Semiperimeter:**s = 7.31437515147

**Angle**∠ A = α = 18° = 0.31441592654 rad

**Angle**∠ B = β = 72° = 1.25766370614 rad

**Angle**∠ C = γ = 90° = 1.57107963268 rad

**Height:**h

_{a}= 6.15553670744

**Height:**h

_{b}= 2

**Height:**h

_{c}= 1.90221130326

**Median:**m

_{a}= 6.23660679775

**Median:**m

_{b}= 3.67704408393

**Median:**m

_{c}= 3.23660679775

**Inradius:**r = 0.84216155597

**Circumradius:**R = 3.23660679775

**Vertex coordinates:**A[6.4722135955; 0] B[0; 0] C[0.61880339887; 1.90221130326]

**Centroid:**CG[2.36333899812; 0.63440376775]

**Coordinates of the circumcenter:**U[3.23660679775; -0]

**Exterior(or external, outer) angle of the triangle**∠ A' = α' = 162° = 0.31441592654 rad

**Exterior(or external, outer) angle of the triangle**∠ B' = β' = 108° = 1.25766370614 rad

**Exterior(or external, outer) angle of the triangle**∠ C' = γ' = 90° = 1.57107963268 rad

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