# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 6.51   b = 1.1   c = 6.6

Area: T = 3.58804920925
Perimeter: p = 14.21
Semiperimeter: s = 7.105

Angle ∠ A = α = 80.52663696004° = 80°31'35″ = 1.40554502842 rad
Angle ∠ B = β = 9.59440468381° = 9°35'39″ = 0.16774477059 rad
Angle ∠ C = γ = 89.88795835614° = 89°52'46″ = 1.56986946635 rad

Height: ha = 1.10999975707
Height: hb = 6.51099856227
Height: hc = 1.08549976038

Median: ma = 3.43436533022
Median: mb = 6.53220402632
Median: mc = 3.30222795157

Inradius: r = 0.50439397737
Circumradius: R = 3.3300007288

Vertex coordinates: A[6.6; 0] B[0; 0] C[6.41989469697; 1.08549976038]
Centroid: CG[4.34396489899; 0.36216658679]
Coordinates of the circumscribed circle: U[3.3; 0.00769354992]
Coordinates of the inscribed circle: I[6.005; 0.50439397737]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 99.47436303996° = 99°28'25″ = 1.40554502842 rad
∠ B' = β' = 170.4065953162° = 170°24'21″ = 0.16774477059 rad
∠ C' = γ' = 90.12204164386° = 90°7'14″ = 1.56986946635 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.