The Washington monument
Obelisk
11-sided QuadrilateralAn 11-sided quadrilateral is called a hendecagon.
A seven sided figure is called a heptagon.
A four sided figure is called a quadrilateral.
obelisk
Pyramid
The Washington monument
an obelisk
a "point"
Obelisk.
Obelisk
Snowflakes are not only symmetrical, but are always 6-sided and 6-pointed.
it is called a seven sided shape in Canada
A pentagram is a five pointed star. A pentagon in a five sided polygon.
11-sided QuadrilateralAn 11-sided quadrilateral is called a hendecagon.
An eight sided shape is called an octagon.