To write the Measured Angle with Open Arm Ending In Arrow Pointing Down and Right symbol ⦪ on keyboard using ALT codes; ALT+10666, just hold down the ALT key while typing the alt key code 10666. You have to use the numeric keypad of your keyboard. I💜f you don not have numeric keypad, hold down the Fn and ALT keys while typing the alt code num꧅ber.