21 26 27 triangle

Acute scalene triangle.

Sides: a = 21   b = 26   c = 27

Area: T = 255.1866206524
Perimeter: p = 74
Semiperimeter: s = 37

Angle ∠ A = α = 46.63876682605° = 46°38'16″ = 0.81439808666 rad
Angle ∠ B = β = 64.17548595695° = 64°10'29″ = 1.12200625965 rad
Angle ∠ C = γ = 69.187747217° = 69°11'15″ = 1.20875491905 rad

Height: ha = 24.30334482404
Height: hb = 19.63297081941
Height: hc = 18.90326819647

Median: ma = 24.33661870473
Median: mb = 20.39660780544
Median: mc = 19.39771647413

Inradius: r = 6.89769245006
Circumradius: R = 14.44223950268

Vertex coordinates: A[27; 0] B[0; 0] C[9.14881481481; 18.90326819647]
Centroid: CG[12.0499382716; 6.30108939882]
Coordinates of the circumscribed circle: U[13.5; 5.13215469509]
Coordinates of the inscribed circle: I[11; 6.89769245006]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 133.3622331739° = 133°21'44″ = 0.81439808666 rad
∠ B' = β' = 115.8255140431° = 115°49'31″ = 1.12200625965 rad
∠ C' = γ' = 110.813252783° = 110°48'45″ = 1.20875491905 rad

Calculate another triangle




How did we calculate this triangle?

Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known three sides SSS.


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:2346 Stack trace: #0 /nfsmnt/hosting1_1/1/f/1f5dde43-2431-429d-b7d6-b283e5dc0656/triangle-calculator.com/web/Calculator_Triangle.php(1929): Calculator_Triangle->ComputeTriangle(21, 26, 27, '<br />', true, '', 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): HackMath->Run() #5 /nfsmnt/hos in /nfsmnt/hosting1_1/1/f/1f5dde43-2431-429d-b7d6-b283e5dc0656/triangle-calculator.com/web/Calculator_Triangle.php on line 2346