Question

how to find the name of polygons according

Answer 1

Triangle - 3 sided polygon
Quadrilateral - 4 sided polygon
Pentagon - 5 sided polygon
Hexagon - 6 sided polygon
Septagon - 7 sided polygon
Octagon - 8 sided polygon
Nonagon - 9 sided polygon
Decagon - 10 sided polygon

Answer 2

Number of sides Name
3
triangle or trigon
4
quadrilateral or tetragon
5
pentagon
6
hexagon
7
heptagon
8
octagon
9
enneagon
10
decagon
11
hendecagon
12
dodecagon
13
triskaidecagon or tridecagon
14
tetrakaidecagon or tetradecagon
15
pendedecagon
16
hexdecagon
17
heptdecagon
18
octdecagon
19
enneadecagon
20
icosagon