That would be 20 x 19 x 18 which equals 6840.
After first place is chosen, 19 spots left and so on.
The answer is 6840 ways.
Answer:
I dont see where you said its shown below..repost please =)
D because 3/4 is .75 so 7.75 divided by .75 equals 10.333333333333333
Equating the formula (d is the diameter)
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d^2/4 = 132.7
d^2 = 132.7*4/
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d =
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d = 13.0017147331
d= 13cm