8's
8x5=
40
9x2=
18
How many sides does a quadrilateral have?
4
2x10 and 2x11=
20 and 22
2x12=
24
8x6=
48
9x4=
36
How many sides does a heXagon have?
6
3x10 and 3x11=
30 and 33
4x12=
48
8x8=
64
9x6=
54
How many sides does a pentagon have?
5
5x10 and 5x11=
50 and 55
6x12=
72
8x7=
56
9x9=
81
How many sides does a nonagon have?
9
8x10 and 8x11=
80 and 88
7x12=
84
8x9=
72
9x12=
108
How many sides does a Heptagon have?
7
9x10 and 9x11=
90 and 99
8x12=
96