What can be determined about the sum of 8√ and 12.7? Select words from the drop-down menus to correctly complete the sentences.

The value 8√ is [Irrational? or Rational] and the value 12.7 is [Irrational? or Rational?] The sum of 8√ and 12.7 has a [Non-repeating and Non-terminating? or Repeating? or Terminating?] decimal expansion. Therefore, the sum of 8√ and 12.7 is [Irrational? or Rational?]

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.