Angle symbols[⊾,∠,∟] in LaTeX

Use the stix package to create angle symbols in your LaTeX document

\usepackage{stix}

Right Angle
$\rightangle$
\rightangle

Angle
$\angle$
\angle

Measured Angle
$\measuredangle$
\measuredangle

Spherical Angle
$\sphericalangle$
\sphericalangle

Right Angle with Arc
$\measuredrightangle$
\measuredrightangle

Right Angle with Downwards Zigzag Arrow
$\rangledownzigzagarrow$
\rangledownzigzagarrow

Three Dimensional Angle
$\threedangle$
\threedangle

Measured Angle Opening Left
$\measuredangleleft$
\measuredangleleft

Right Angle Variant with Square
$\rightanglesqr$
\rightanglesqr

Measured Right Angle with Dot
$\rightanglemdot$
\rightanglemdot

Angle with S Inside
$\angles$
\angles

Acute Angle
$\angdnr$
\angdnr

Spherical Angle Opening Left
$\gtlpar$
\gtlpar

Spherical Angle Opening Up
$\sphericalangleup$
\sphericalangleup

Turned Angle
$\turnangle$
\turnangle

Reversed Angle
$\revangle$
\revangle

Angle with Underbar
$\angleubar$
\angleubar

Reversed Angle with Underbar
$\revangleubar$
\revangleubar

Oblique Angle Opening Up
$\wideangledown$
\wideangledown

Oblique Angle Opening Down
$\wideangleup$
\wideangleup

Measured Angle with Open Arm Ending In Arrow Pointing Up and Right
$\measanglerutone$
\measanglerutone

Measured Angle with Open Arm Ending In Arrow Pointing Up and Left
$\measanglelutonw$
\measanglelutonw

Measured Angle with Open Arm Ending In Arrow Pointing Down and Right
$\measanglerdtose$
\measanglerdtose

Measured Angle with Open Arm Ending In Arrow Pointing Down and Left
$\measangleldtosw$
\measangleldtosw

Measured Angle with Open Arm Ending In Arrow Pointing Right and Up
$\measangleurtone$
\measangleurtone

Measured Angle with Open Arm Ending In Arrow Pointing Left and Up
$\measangleultonw$
\measangleultonw

Measured Angle with Open Arm Ending In Arrow Pointing Right and Down
$\measangledrtose$
\measangledrtose

Measured Angle with Open Arm Ending In Arrow Pointing Left and Down
$\measangledltosw$
\measangledltosw