intersecting
41Degenerate conic — Main article: Conic section In mathematics, a degenerate conic is a conic (degree 2 plane curve, the zeros of a degree 2 polynomial equation, a quadratic) that fails to be an irreducible curve. This can happen in two ways: either it is a… …
42Polygon — For other uses, see Polygon (disambiguation). Some polygons of different kinds In geometry a polygon (   …
43New Jersey Route 28 — Route 28 Route information …
44New Jersey Route 47 — Route 47 Delsea Drive Ro …
45Cross-cap — In mathematics, a cross cap is a two dimensional surface that is a model of a Möbius strip with a single self intersection. This self intersection precludes the cross cap from being topologically equivalent (i.e., homeomorphic) to a Möbius strip …
46New York State Route 22 — NY 22 redirects here. NY 22 may also refer to New York s 22nd congressional district. NYS Route 22 …
47New York State Route 31 — NY 31 redirects here. NY 31 may also refer to New York s 31st congressional district. NYS Route 31 …
48Maryland Route 28 — highlighted in re …
49New York State Route 374 — NYS Route 374 Route information Maintained by NYSDOT and Franklin County Length: 47.38 mi …
50Vault (architecture) — A Vault (French. voute, Italian. volta, German. Gewölbe, Polish. sklepienie , Spanish. bóveda ) is an architectural term for an arched form used to provide a space with a ceiling or roof. url=http://concise.britannica.com/ebc/article… …
