# Triangle calculator SSS - result

Please enter the triangle sides:

### Obtuse scalene triangle.

Sides: a = 15   b = 24   c = 30

Area: T = 178.2990318021
Perimeter: p = 69
Semiperimeter: s = 34.5

Angle ∠ A = α = 29.68662952314° = 29°41'11″ = 0.51881235945 rad
Angle ∠ B = β = 52.41104970351° = 52°24'38″ = 0.91547357359 rad
Angle ∠ C = γ = 97.90332077335° = 97°54'12″ = 1.70987333232 rad

Height: ha = 23.77220424028
Height: hb = 14.85875265017
Height: hc = 11.88660212014

Median: ma = 26.11103427783
Median: mb = 20.45772725455
Median: mc = 13.24876412995

Inradius: r = 5.1687835305
Circumradius: R = 15.14438397215

Vertex coordinates: A[30; 0] B[0; 0] C[9.15; 11.88660212014]
Centroid: CG[13.05; 3.96220070671]
Coordinates of the circumscribed circle: U[15; -2.08222779617]
Coordinates of the inscribed circle: I[10.5; 5.1687835305]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 150.3143704769° = 150°18'49″ = 0.51881235945 rad
∠ B' = β' = 127.5989502965° = 127°35'22″ = 0.91547357359 rad
∠ C' = γ' = 82.09767922665° = 82°5'48″ = 1.70987333232 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.