# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 7.5   b = 6.2   c = 9.64

Area: T = 23.24658342933
Perimeter: p = 23.34
Semiperimeter: s = 11.67

Angle ∠ A = α = 51.06658661685° = 51°3'57″ = 0.89112675 rad
Angle ∠ B = β = 40.0198752268° = 40°1'7″ = 0.69884589896 rad
Angle ∠ C = γ = 88.91553815635° = 88°54'55″ = 1.55218661639 rad

Height: ha = 6.19988891449
Height: hb = 7.49986562236
Height: hc = 4.82327871978

Median: ma = 7.18548660391
Median: mb = 8.06110049001
Median: mc = 4.91104582271

Inradius: r = 1.99219309591
Circumradius: R = 4.8210863755

Vertex coordinates: A[9.64; 0] B[0; 0] C[5.74437551867; 4.82327871978]
Centroid: CG[5.12879183956; 1.60875957326]
Coordinates of the circumscribed circle: U[4.82; 0.09112542855]
Coordinates of the inscribed circle: I[5.47; 1.99219309591]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 128.9344133832° = 128°56'3″ = 0.89112675 rad
∠ B' = β' = 139.9811247732° = 139°58'52″ = 0.69884589896 rad
∠ C' = γ' = 91.08546184365° = 91°5'5″ = 1.55218661639 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 ### 6. Inradius ### 7. Circumradius ### 8. 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.