ric Summary 3 points 1 m2CAB 1 m2DAB 1 conclusion reasoning A h 5 14 0 B 0 Cos123 53 13 A 4 in 3 O 10 B 3 d a Your friend gives you the right triangle above and to the left and says Bisecting an angle is really easy Take triangle ABC If I wanted to bisect ZCAB all I need to do is find the midpoint of BC The ray that goes from A through the midpoint of BC will cut ZCAB in half because it cuts the side BC in half Your friend then sketches the triangle above and to the right so that point D is the midpoint of side BC Convince your friend that they are wrong Use trigonometry to show that ZDAB and CAD are not congruent Show all work Use complete sentences to explain your conclusion and reasoning