Angle ∠BAC might refer to any of four angles: the clockwise angle from B to C, the anticlockwise angle from B to C, the clockwise angle from C to B, or the anticlockwise angle from C to B, where the direction in which the angle is measured determines its sign (see Positive and negative angles). However, in many geometrical situations it is obvious from context that the positive angle less than or equal to 180 degrees is meant, and no ambiguity arises. Otherwise, a convention may be adopted so that ∠BAC always refers to the anticlockwise (positive) angle from B to
900 Degrees on the Dance Club Songs chart the following year. UK CD Single German CD Single 900 Degrees "900 Degrees" is a song by German DJ and producer Ian Pooley. The song was released as a single from his sixth studio album, "Since Then", released in October 2001. Upon its release, the song peaked within the top 60 on the UK Singles chart and remained Pooley's highest-peaking UK single for more than a year, until his 2002 single "Piha" peaked higher. The song also entered the "Billboard" Hot Dance Breakouts Maxi-Single Sales chart, becoming his first chart entry there. "900 Degrees"