Use the listed coordinates to determine if △ABC and △DEF are congruent: (2, -8), (-5, -2), (-7, 3), (-9, 7), (-11, 12), (-2, 1)

Find the value of the variable and the length of each secant segment

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.