Math.
either of two angles that added together produce an angle of 360°.
EXPLEMENTARY ANGLE
Meaning of EXPLEMENTARY ANGLE in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012
Math.
either of two angles that added together produce an angle of 360°.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012