An astronomer knows the distances from herself to stars AAA and BBB, as well as the distance between them. The distances are 450, 400, and 90 light years (\text{l. y.}l. y.start text, l, point, y, point, end text) respectively. If the astronomer's telescope is currently pointed at star AAA, how many degrees must she rotate her telescope to see star BBB?

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.