# 35 65 95 triangle

### Obtuse scalene triangle.

Sides: a = 35   b = 65   c = 95

Area: T = 703.6465640575
Perimeter: p = 195
Semiperimeter: s = 97.5

Angle ∠ A = α = 13.17435511073° = 13°10'25″ = 0.2329921841 rad
Angle ∠ B = β = 25.04396595945° = 25°2'23″ = 0.43770245035 rad
Angle ∠ C = γ = 141.7876789298° = 141°47'12″ = 2.47546463091 rad

Height: ha = 40.20883223186
Height: hb = 21.65106350946
Height: hc = 14.81435924332

Median: ma = 79.49105654779
Median: mb = 63.78767541109
Median: mc = 21.65106350946

Inradius: r = 7.21768783649
Circumradius: R = 76.78875858022

Vertex coordinates: A[95; 0] B[0; 0] C[31.71105263158; 14.81435924332]
Centroid: CG[42.23768421053; 4.93878641444]
Coordinates of the circumscribed circle: U[47.5; -60.33331031303]
Coordinates of the inscribed circle: I[32.5; 7.21768783649]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 166.8266448893° = 166°49'35″ = 0.2329921841 rad
∠ B' = β' = 154.9660340406° = 154°57'37″ = 0.43770245035 rad
∠ C' = γ' = 38.21332107017° = 38°12'48″ = 2.47546463091 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    