Online Math Dictionary: O
Easy to understand math definitions for KAlgebra mathematics
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Oblique Angle An oblique angle is an angle that is not aright angle. (An oblique angle is an angle whose measure is not 90 degrees.) 



Oblique Prism An oblique prism is a prism that is tilted or slanted a bit. Technically, an oblique prism is one whosesides do not form 90 degree angles with the bases. 





Obtuse Angle An obtuse angle is an angle whose measure isgreater than 90 degrees. 



Obtuse Triangle Obtuse triangles aren't very smart. (Look up "obtuse" in the dictionary!)
Obtuse triangles have one angle that is greater than 90 degrees. (Obtuse triangles have one obtuse angle.)


