Line ab is rotated to form a'b' .

the coordinates of point a are (1,5) and the coordinates of point b are (−6,4) .

which rotation around the origin results in the transformation of ab to form a'b' ?

select from the drop down arrow to choose the correct rotation.

a. rotation of 90
b. rotation of 180
c. rotation of 270

The answer is B. I just took the test. 

I hope this 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.