Need answer ASAP A ladder is leaning against a building the distance from the bottom of the ladder to the building is 20 feet shorter than the length of the ladder how high up the side of the building is the top of the ladder if the distance is 10 feet less than the length of the ladder

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.