Which figure is not a polygon? a. figure a b. figure b c. figure c d. figure d

The way each one is written it sounds like they are all polygons. So I'll just give you the definition. A plane figure with at least three straight sides and angles, and typically five or more. Hope it helps

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.