# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 42.43   b = 42.43   c = 60

Area: T = 900.1522437091
Perimeter: p = 144.86
Semiperimeter: s = 72.43

Angle ∠ A = α = 45.00548518124° = 45°17″ = 0.78554828435 rad
Angle ∠ B = β = 45.00548518124° = 45°17″ = 0.78554828435 rad
Angle ∠ C = γ = 89.99902963752° = 89°59'25″ = 1.57106269666 rad

Height: ha = 42.43299993915
Height: hb = 42.43299993915
Height: hc = 30.00550812364

Median: ma = 47.43549683778
Median: mb = 47.43549683778
Median: mc = 30.00550812364

Inradius: r = 12.42878950309
Circumradius: R = 300.0000004302

Vertex coordinates: A[60; 0] B[0; 0] C[30; 30.00550812364]
Centroid: CG[30; 10.00216937455]
Coordinates of the circumscribed circle: U[30; 0.00550808061]
Coordinates of the inscribed circle: I[30; 12.42878950309]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 134.9955148188° = 134°59'43″ = 0.78554828435 rad
∠ B' = β' = 134.9955148188° = 134°59'43″ = 0.78554828435 rad
∠ C' = γ' = 90.01097036248° = 90°35″ = 1.57106269666 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.