def test_example_3(self):
v = Vector([1.5, 9.547, 3.691])
u = Vector([-6.007, 0.124, 5.772])
assert 42.56493739941894 == v.area(u) / 2
def test_example_1(self):
v = Vector([8.462, 7.893, -8.187])
u = Vector([6.984, -5.975, 4.778])
assert 144.30003269663322 == v.area(u)
def test_example_2(self):
v = Vector([-8.987, -9.838, 5.031])
u = Vector([-4.268, -1.861, -8.866])
assert 142.12222140184633 == v.area(u)
def test_valid_vectors(self):
v = Vector([1, 7, 74])
u = Vector([-26, -4, 5])
assert 1965.2699560111328 == v.area(u)
