Angle formula |
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\( \theta \;=\; \dfrac{ l_a }{ r }\) | ||
Symbol | English | Metric |
\( \theta \) = Angle | \(deg\) | \(rad\) |
\( l_a \) = Arc Length | \( in\) | \( mm \) |
\( r \) = Radius | \(in\) | \(mm\) |
An angle, abbreviated as \(\:A\:\), \(\:\theta\:\) or \(\:\angle\:\), is formed by two lines having a common point or vertex.
Angle formula |
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\( \theta \;=\; \dfrac{ 2 \cdot A_{se} }{ r^2 }\) | ||
Symbol | English | Metric |
\( \theta \) = Angle | \(deg\) | \(rad\) |
\( A_{se} \) = Sector Area | \(in^2\) | \(mm^2\) |
\( r \) = Radius | \(in\) | \(mm\) |