triangle_properties():
  Centroid =  [4.         4.33333333]
  Side lengths:  [10.          8.94427191  4.47213595]

  Angles in radians and degrees:
      1.11     63.43
      0.46     26.57
      1.57     90.00

  Area =  20.0

  Signed area =  20.0
  Signed area =  20.0

  Triangle contains point?
[1.0, 2.0] False
[2.0, 5.0] True
[4.0, 4.0] True

  Triangle samples
[4.61232934 5.52146429]
[5.21593802 1.69004985]
[2.29065968 6.17562649]
[3.88384989 5.30459069]
[2.5372852  7.00117692]
[2.87501437 3.88004642]
[5.64776548 3.53381195]
[4.46224256 5.31696012]
[3.76313943 2.74051725]
[3.860325  4.7902505]
  Graphics saved as "triangle_sample.png"

  Triangle Monte Carlo
10 753.8720172149516
100 808.4804175868953
1000 806.5571790185505
10000 807.848797344272
100000 806.9343009925921

  Triangle Quad1
695.5555555555554

  Triangle Quad6
806.6666666666665