Math+Word+of+the+Day

acute angle **--** An angle that measures less than ninety degrees but more than zero degrees. base of parallelogram **--** any side of a parallelogram center of regulary polygon **--** the point inside a regular polygon that is equidstant cone **--** a solid whose surface is generated by a line passing through a fixed point and a fixed plane curve not containing the point,consisting of two equal sections joined at a vertex; a plane surface resembling the cross section of a solid cone. decagon **--** a polygon having ten angles and ten sides. equiangular **--** having all the angles equal