# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 0.5   b = 0.45   c = 0.5

Area: T = 0.11004657124
Perimeter: p = 1.45
Semiperimeter: s = 0.725

Angle ∠ A = α = 63.25663160496° = 63°15'23″ = 1.10440309877 rad
Angle ∠ B = β = 53.48773679008° = 53°29'15″ = 0.93435306781 rad
Angle ∠ C = γ = 63.25663160496° = 63°15'23″ = 1.10440309877 rad

Height: ha = 0.40218628497
Height: hb = 0.44765142775
Height: hc = 0.40218628497

Median: ma = 0.40546603514
Median: mb = 0.44765142775
Median: mc = 0.40546603514

Inradius: r = 0.13985733965
Circumradius: R = 0.28799462555

Vertex coordinates: A[0.5; 0] B[0; 0] C[0.29875; 0.40218628497]
Centroid: CG[0.26658333333; 0.13439542832]
Coordinates of the circumscribed circle: U[0.25; 0.1265975815]
Coordinates of the inscribed circle: I[0.275; 0.13985733965]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 116.744368395° = 116°44'37″ = 1.10440309877 rad
∠ B' = β' = 126.5132632099° = 126°30'45″ = 0.93435306781 rad
∠ C' = γ' = 116.744368395° = 116°44'37″ = 1.10440309877 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.