# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute isosceles triangle.

Sides: a = 1   b = 16   c = 16

Area: T = 7.99660927959
Perimeter: p = 33
Semiperimeter: s = 16.5

Angle ∠ A = α = 3.58215693187° = 3°34'54″ = 0.0632510177 rad
Angle ∠ B = β = 88.20992153407° = 88°12'33″ = 1.54395412383 rad
Angle ∠ C = γ = 88.20992153407° = 88°12'33″ = 1.54395412383 rad

Height: ha = 15.99221855917
Height: hb = 10.9995115995
Height: hc = 10.9995115995

Median: ma = 15.99221855917
Median: mb = 8.03111892021
Median: mc = 8.03111892021

Inradius: r = 0.48546116846
Circumradius: R = 8.00439091134

Vertex coordinates: A[16; 0] B[0; 0] C[0.031125; 10.9995115995]
Centroid: CG[5.344375; 0.33331705332]
Coordinates of the circumscribed circle: U[8; 0.25501221598]
Coordinates of the inscribed circle: I[0.5; 0.48546116846]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 176.4188430681° = 176°25'6″ = 0.0632510177 rad
∠ B' = β' = 91.79107846593° = 91°47'27″ = 1.54395412383 rad
∠ C' = γ' = 91.79107846593° = 91°47'27″ = 1.54395412383 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.