# 14 14 24 triangle

### Obtuse isosceles triangle.

Sides: a = 14   b = 14   c = 24

Area: T = 86.53332306111
Perimeter: p = 52
Semiperimeter: s = 26

Angle ∠ A = α = 31.00327191339° = 31°10″ = 0.5411099526 rad
Angle ∠ B = β = 31.00327191339° = 31°10″ = 0.5411099526 rad
Angle ∠ C = γ = 117.9954561732° = 117°59'40″ = 2.05993936017 rad

Height: ha = 12.36218900873
Height: hb = 12.36218900873
Height: hc = 7.21111025509

Median: ma = 18.35875597507
Median: mb = 18.35875597507
Median: mc = 7.21111025509

Inradius: r = 3.32882011774
Circumradius: R = 13.59901548075

Vertex coordinates: A[24; 0] B[0; 0] C[12; 7.21111025509]
Centroid: CG[12; 2.40437008503]
Coordinates of the circumscribed circle: U[12; -6.37990522566]
Coordinates of the inscribed circle: I[12; 3.32882011774]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 148.9977280866° = 148°59'50″ = 0.5411099526 rad
∠ B' = β' = 148.9977280866° = 148°59'50″ = 0.5411099526 rad
∠ C' = γ' = 62.00554382677° = 62°20″ = 2.05993936017 rad

# How did we calculate this triangle?

Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known three sides SSS. ### 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.