Triangle calculator

Please enter what you know about the triangle:
You have entered side a, b and c.

Right scalene triangle.

Sides: a = 0.7   b = 2.4   c = 2.5

Area: T = 0.84
Perimeter: p = 5.6
Semiperimeter: s = 2.8

Angle ∠ A = α = 16.26602047083° = 16°15'37″ = 0.28437941092 rad
Angle ∠ B = β = 73.74397952917° = 73°44'23″ = 1.28770022176 rad
Angle ∠ C = γ = 90° = 1.57107963268 rad

Height: ha = 2.4
Height: hb = 0.7
Height: hc = 0.672

Median: ma = 2.42553865671
Median: mb = 1.38992443989
Median: mc = 1.25

Inradius: r = 0.3
Circumradius: R = 1.25

Vertex coordinates: A[2.5; 0] B[0; 0] C[0.196; 0.672]
Centroid: CG[0.89986666667; 0.224]
Coordinates of the circumscribed circle: U[1.25; -0]
Coordinates of the inscribed circle: I[0.4; 0.3]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 163.7439795292° = 163°44'23″ = 0.28437941092 rad
∠ B' = β' = 106.2660204708° = 106°15'37″ = 1.28770022176 rad
∠ C' = γ' = 90° = 1.57107963268 rad

How did we calculate this triangle?

1. Input data entered: side a, b and c. 2. The triangle circumference is the sum of the lengths of its three sides 3. Semiperimeter of the triangle 4. The triangle area using Heron's formula 5. Calculate the heights of the triangle from its area. 6. Calculation of the inner angles of the triangle using a Law of Cosines     