Angles 1 and 2 form a right angle. which word describes their measures? linear congruent complementary supplementary

Right angles, as well as complimentary angles, each measure 90 degrees

so ur answer is complimentary 

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.