The midpoint of the line segment joining P(-2, 3) and Q(4,-1) is M. The point C has coordinates (-1,-2).
Show that CM is perpendicular to PQ.​

Select the correct answer from each drop down menu

Which statement is true? the given sides and angles cannot be used to show similarity by either the sss or sas similarity theorems. the given sides and angles can be used to show similarity by the sss similarity theorem only. the given sides and angles can be used to show similarity by the sas similarity theorem only. the given sides and angles can be used to show similarity by both the sss and sas similarity theorems.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees