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we all know that

bi - 2
tri - 3
quad - 4
pent - 5
hex - 6
oct - 8

but what is 7,9 and 10?

2007-09-11 13:16:33 · 5 answers · asked by Weedman 3 in Science & Mathematics Mathematics

5 answers

7 - hept
9 - non
10 - dec

2007-09-11 13:19:27 · answer #1 · answered by Dave 6 · 0 0

7 is hept, 9 is non, 10 is dec. a decagon has 10 sides, a heptagon 7.

2007-09-11 20:29:25 · answer #2 · answered by Philo 7 · 0 0

7 = hepta-
9 = nona-
10 = deca-

2007-09-11 20:25:17 · answer #3 · answered by PMP 5 · 0 0

hepta - 7; e.g. heptagon
ennea - 9; e.g. enneagon
deca - 10; e.g decagon

from the Greek:

hepta, meaning seven
ennea, meaning nine
deca, meaning ten

2007-09-11 20:24:46 · answer #4 · answered by Anthony P - Greece 2 · 0 0

0 nil
1 un
2 bi
3 tri
4 quad
5 pent
6 hex
7 sept
8 oct
9 enn

2007-09-11 20:21:31 · answer #5 · answered by Anonymous · 0 0

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