What is the measure of the highlighted angle

Can some one explain this i got sent this. is this a threat i’m scared

Find the distance between (7,-6) and (-3,-9)

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.