# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 3.61   b = 7.07   c = 6.4

Area: T = 11.50884795156
Perimeter: p = 17.08
Semiperimeter: s = 8.54

Angle ∠ A = α = 30.57662486946° = 30°34'35″ = 0.53436562126 rad
Angle ∠ B = β = 85.02550085349° = 85°1'30″ = 1.48439663455 rad
Angle ∠ C = γ = 64.39987427705° = 64°23'55″ = 1.12439700955 rad

Height: ha = 6.37658889283
Height: hb = 3.25655811925
Height: hc = 3.59663998486

Median: ma = 6.49772628852
Median: mb = 3.80878635742
Median: mc = 4.61217783988

Inradius: r = 1.3487597133
Circumradius: R = 3.54883679616

Vertex coordinates: A[6.4; 0] B[0; 0] C[0.31330625; 3.59663998486]
Centroid: CG[2.23876875; 1.19987999495]
Coordinates of the circumscribed circle: U[3.2; 1.5333269445]
Coordinates of the inscribed circle: I[1.47; 1.3487597133]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 149.4243751305° = 149°25'26″ = 0.53436562126 rad
∠ B' = β' = 94.97549914651° = 94°58'30″ = 1.48439663455 rad
∠ C' = γ' = 115.601125723° = 115°36'5″ = 1.12439700955 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.