6 cm
the diameter is two times the radius so the radius would be 12/2 which is
6 cm
"Plainer headdresses and fewer neck-rings”“Belts hung with small crocodile heads”“The heads and shoulders of two tiny Europeans”
Just divide 105 by 20
this gives you 5 5/20
this can then be reduced to 5 1/4
answer: 5 1/4