True: There are five events in the pentathlon, Angles around a point add up to 360, A regular shape has equal angles and equal side lengths, A heptagon has 7 sides, A nonegon has 9 sides, False: Angles in a triangle add up to 360, There are six events in the heptathlon, A quadrilateral has 5 sides, November is the 9th month,

interior exterior angle of polygons

от Анонимен

Табло

Визуален стил

Опции

Шаблон за превключване

Възстановяване на авто-записаната: ?