How many Rs.1 coins of same diameter can be placed around a similar Rs.1 coin touching easch other.(Assume normal 1 rupee coin which we used or using)

@kavita...how its 6 ? i guess it may be 12..
10 years agoHelpfull: Yes(1) No(0)
its 6..i tried practically
10 years agoHelpfull: Yes(0) No(1)
we can put 5 coins arround a coin ..... and 6 coin inside a circle tha 6 are touch each other only
10 years agoHelpfull: Yes(0) No(1)
for every coin in center we can plce a coin at a radius of r+r=2r.so its perimeter is 2*pi*2r..now every coin cover d distance 2r..so total no. of coin can be placed is2*pi*2r/2r=2*pi=~6
10 years agoHelpfull: Yes(0) No(2)
infinite coins can be placed
10 years agoHelpfull: Yes(0) No(1)
3 in a triangle shape then those 3 coins are touch each other
8 years agoHelpfull: Yes(0) No(0)

Read Solution (Total 7)