1/7 x 21 = 21/7 = 3
21/100 ( Twentyone hundredths).
six hundred and twenty-one point nine
it was never discovered,its like asking who discovered sex
Discovered
Network TwentyOne was created in 1989.
There were no voyages or missions "discovered" on Mars
Twentyone and five tenths or twentyone and a half
0.42
icosikaihenagon
Twentyone follows twenty
3over7
no
a third of 21 is 7
Channel two-twentyone
14 of them.
A polygon with 21 sides is called an Icosagon.