#
A quarter turn of ray OA about O describes what type of angle?

Please find below the solution to the asked query :

$\mathrm{A}\mathrm{quarter}\mathrm{turn}\mathrm{of}\mathrm{ray}\mathrm{OA}\mathrm{about}\mathrm{O}\mathrm{describes}\mathrm{a}\mathrm{right}\mathrm{angle},\mathrm{which}\mathrm{measures}90\xb0.$

$\mathrm{A}\mathrm{quarter}\mathrm{turn}\mathrm{of}\mathrm{ray}\mathrm{OA}\mathrm{about}\mathrm{O}\mathrm{describes}\mathrm{a}\mathrm{right}\mathrm{angle},\mathrm{which}\mathrm{measures}90\xb0.$

Regards

**
**