Angle
An angle, abbreviated as \(\:A\:\), \(\:\theta\:\) or \(\:\angle\:\), is formed by two lines having a common point or vertex.
Angle formulas |
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\( \theta = l_a \;/\; r\) \( \theta = 2 \; A_{se} \;/\; r^2 \) |
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Symbol | English | Metric |
\( \theta \) = angle | \(deg\) | \(rad\) |
\( l_a \) = arc length | \( in\) | \( mm \) |
\( r \) = radius | \(in\) | \(mm\) |
\( A_{se} \) = sector area | \(in^2\) | \(mm^2\) |
Tags: Plane Geometry Solid Geometry