6 one coin can fall on heads and tails and also stand straight up that’s 3 ways one coin can fall since you said 2 coins it’s 6 ways
Answer: ur teacher is evil
Step-by-step explanation:
The volume is given by

Since the height is 3 times the radius of the base, we can substitute
:

And we know that the volume is
(I'm actually assuming that there's a typo in the question, otherwise the options wouldn't match):

The height is 3 times the radius, so it is

Supplement mean the angle equals 180 degrees .
so 180-13
the other supplement equals 167