two opposite and equal angles formed by the intersection of two lines
VERTICALLY OPPOSITE ANGLES
Meaning of VERTICALLY OPPOSITE ANGLES in English
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012
two opposite and equal angles formed by the intersection of two lines
Explanatory English dictionary bed edition. Толковый словарь английского языка Редакция bed. 2012