# Triangle calculator VC

Please enter the coordinates of the three vertices

### Right scalene triangle.

Sides: a = 336.0065952328   b = 270   c = 200

Area: T = 27000
Perimeter: p = 806.0065952328
Semiperimeter: s = 403.0032976164

Angle ∠ A = α = 90° = 1.57107963268 rad
Angle ∠ B = β = 53.4711144633° = 53°28'16″ = 0.93332475287 rad
Angle ∠ C = γ = 36.5298855367° = 36°31'44″ = 0.63875487981 rad

Height: ha = 160.7111438669
Height: hb = 200
Height: hc = 270

Median: ma = 168.0032976164
Median: mb = 241.299857024
Median: mc = 287.9243600978

Inradius: r = 66.99770238359
Circumradius: R = 168.0032976164

Vertex coordinates: A[525; 260] B[725; 260] C[525; -10]
Centroid: CG[591.6676666667; 170]
Coordinates of the circumscribed circle: U[0; 0]
Coordinates of the inscribed circle: I[49.62774250636; 66.99770238359]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 90° = 1.57107963268 rad
∠ B' = β' = 126.5298855367° = 126°31'44″ = 0.93332475287 rad
∠ C' = γ' = 143.4711144633° = 143°28'16″ = 0.63875487981 rad

# How did we calculate this triangle?

### 1. We compute side a from coordinates using the Pythagorean theorem ### 2. We compute side b from coordinates using the Pythagorean theorem ### 3. We compute side c from coordinates using the Pythagorean theorem 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. ### 4. The triangle circumference is the sum of the lengths of its three sides ### 5. Semiperimeter of the triangle ### 6. The triangle area using Heron's formula ### 7. Calculate the heights of the triangle from its area. ### 8. Calculation of the inner angles of the triangle using a Law of Cosines ### 9. Inradius ### 10. Circumradius ### 11. Calculation of medians #### Look also our friend's collection of math examples and problems:

See more informations about triangles or more information about solving triangles.