Triangle calculator VC

Please enter the coordinates of the three vertices


Obtuse scalene triangle.

Sides: a = 5.38551648071   b = 9.84988578018   c = 4.4722135955

Area: T = 1
Perimeter: p = 19.70661585639
Semiperimeter: s = 9.8533079282

Angle ∠ A = α = 2.60325622025° = 2°36'9″ = 0.04554232794 rad
Angle ∠ B = β = 175.2366358309° = 175°14'11″ = 3.05884514217 rad
Angle ∠ C = γ = 2.16110794882° = 2°9'40″ = 0.03877179525 rad

Height: ha = 0.37113906764
Height: hb = 0.2033069233
Height: hc = 0.44772135955

Median: ma = 7.15989105316
Median: mb = 0.5
Median: mc = 7.61657731059

Inradius: r = 0.10114911147
Circumradius: R = 59.29879763567

Vertex coordinates: A[0; -3] B[-2; 1] C[-4; 6]
Centroid: CG[-2; 1.33333333333]
Coordinates of the circumscribed circle: U[0; 0]
Coordinates of the inscribed circle: I[-1.21878933769; 0.10114911147]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 177.3977437798° = 177°23'51″ = 0.04554232794 rad
∠ B' = β' = 4.76436416907° = 4°45'49″ = 3.05884514217 rad
∠ C' = γ' = 177.8398920512° = 177°50'20″ = 0.03877179525 rad

Calculate another triangle




How did we calculate this triangle?

1. We compute side a from coordinates using the Pythagorean theorem


Fatal error: Uncaught Error: Class 'TexPNG' not found in /nfsmnt/hosting1_1/1/f/1f5dde43-2431-429d-b7d6-b283e5dc0656/triangle-calculator.com/web/Calculator_Triangle.php:2320 Stack trace: #0 /nfsmnt/hosting1_1/1/f/1f5dde43-2431-429d-b7d6-b283e5dc0656/triangle-calculator.com/web/Calculator_Triangle.php(1929): Calculator_Triangle->ComputeTriangle(5.38516480713, 9.8488578018, 4.472135955, '<br />', NULL, '', Array, '<a href='/?what...', Array) #1 /nfsmnt/hosting1_1/1/f/1f5dde43-2431-429d-b7d6-b283e5dc0656/triangle-calculator.com/web/Calculators.php(1086): Calculator_Triangle->TriangleForm('Triangle calcul...') #2 /nfsmnt/hosting1_1/1/f/1f5dde43-2431-429d-b7d6-b283e5dc0656/triangle-calculator.com/web/Calculators.php(2225): Calculators->Router('triangle', 'Triangle calcul...', 'Geometry') #3 /nfsmnt/hosting1_1/1/f/1f5dde43-2431-429d-b7d6-b283e5dc0656/triangle-calculator.com/web/index_real.php(490): Calculators->Run() #4 /nfsmnt/hosting1_1/1/f/1f5dde43-2431-429d-b7d6-b283e5dc0656/triangle-calculator.com/web/index_real.php(771): in /nfsmnt/hosting1_1/1/f/1f5dde43-2431-429d-b7d6-b283e5dc0656/triangle-calculator.com/web/Calculator_Triangle.php on line 2320