Answer:
451
Step-by-step explanation:
Answer:
radius is half of the diameter
42/2= 21
the radius is 21 cm
Step-by-step explanation:
There are very many ways to this!
We can have horizontal, vertical, some can be laying down wile others are standing up, some could be standing up and the others layed down on top of them etc.
but in this case it would be 120 ways.