Answer:
the tetrahedron has two bases
Step-by-step explanation:
a tetrahedron has only one bases which is a triangle
so this is not true
hope this helps
That part is the median, which is 57.
800+16x=720+21x
80+16x=21x
80=5x
X=16
So 16 hours :)
The measure of angle A is 80