# 43 26.49 50.51 triangle

### Obtuse scalene triangle.

Sides: a = 43   b = 26.49   c = 50.51

Area: T = 569.5354984
Perimeter: p = 120
Semiperimeter: s = 60

Angle ∠ A = α = 58.35551543243° = 58°21'19″ = 1.01884895785 rad
Angle ∠ B = β = 31.63112645432° = 31°37'53″ = 0.55220697128 rad
Angle ∠ C = γ = 90.01435811325° = 90°49″ = 1.57110333623 rad

Height: ha = 26.49899992558
Height: hb = 432.999998792
Height: hc = 22.55113753316

Median: ma = 34.12109627648
Median: mb = 44.9976666821
Median: mc = 25.2549653958

Inradius: r = 9.49222497333
Circumradius: R = 25.25550007095

Vertex coordinates: A[50.51; 0] B[0; 0] C[36.61219580281; 22.55113753316]
Centroid: CG[29.0410652676; 7.51771251105]
Coordinates of the circumscribed circle: U[25.255; -0.00659863311]
Coordinates of the inscribed circle: I[33.51; 9.49222497333]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 121.6454845676° = 121°38'41″ = 1.01884895785 rad
∠ B' = β' = 148.3698735457° = 148°22'7″ = 0.55220697128 rad
∠ C' = γ' = 89.98664188675° = 89°59'11″ = 1.57110333623 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    