Triangle calculator SSS - result
Acute scalene triangle.
Sides: a = 6.35 b = 3.18 c = 5.5Area: T = 8.7454994311
Perimeter: p = 15.03
Semiperimeter: s = 7.515
Angle ∠ A = α = 89.93546454517° = 89°56'5″ = 1.57696556747 rad
Angle ∠ B = β = 30.05220861912° = 30°3'8″ = 0.52545078511 rad
Angle ∠ C = γ = 60.01332683571° = 60°48″ = 1.04774291277 rad
Height: ha = 2.75443289168
Height: hb = 5.5499996422
Height: hc = 3.18799979313
Median: ma = 3.17881401794
Median: mb = 5.72334735956
Median: mc = 4.2021779385
Inradius: r = 1.16436718977
Circumradius: R = 3.17550020655
Vertex coordinates: A[5.5; 0] B[0; 0] C[5.49663727273; 3.18799979313]
Centroid: CG[3.66554575758; 1.06599993104]
Coordinates of the circumscribed circle: U[2.75; 1.58768642399]
Coordinates of the inscribed circle: I[4.335; 1.16436718977]
Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 90.06553545483° = 90°3'55″ = 1.57696556747 rad
∠ B' = β' = 149.9487913809° = 149°56'52″ = 0.52545078511 rad
∠ C' = γ' = 119.9876731643° = 119°59'12″ = 1.04774291277 rad
Calculate another triangle
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

6. Inradius

7. Circumradius
