import formulas

var tetrahedron = initTetrahedron(edge = 10)

echo tetrahedron.area() # +- 173.2
echo tetrahedron.height() # +- 8.1
echo tetrahedron.volume() # +- 117.8

tetrahedron.volume = 117.85113019775793 # same as tetrahedron.volume()
tetrahedron.edge = 0

echo tetrahedron.edge() # 10

import formulas

var cone = initCone(height = 10, radius = 8)

echo cone.slant() # 12.8

cone.slant = cone.slant() # set the slant value to the calculated one

echo cone.volume() # +- 670.2
echo cone.totalArea() # +- 522.9
echo cone.sideArea() # 321.8

cone.volume = cone.volume()
cone.radius = 0

echo cone.radius() # 8

cone.radius = 8
cone.height = 0

echo cone.height() # 10