it is an oval.
http://wiki.answers.com/Q/What_is_the_geometric_sh...

Tukutuku panels are a traditional art form of the Maori of New Zealand. Originally made from flower and plant stalks that were stitched together in intricate patterns, they decorate
http://www.ehow.com/info_8534726_geometricshapes...

Geometric shapes, ovals, pentagons, octagons, are some examples.
http://www.chacha.com/question/whatisageometric...

Orthocenter is the point of intersection of the three altitudes of a
http://www.chacha.com/question/whatgeometricshap...
