3.2.2: t V In triangle ABC, AB = AC. Let M be the midpoint of side BC. (a) A segment, line, or ray bisects an angle if it divides it into two angles with equal measure. Show that AM bisects Z BAC by proving that ZBAM = ZCAM. Type your solution, notes and/or work here. Show Solution (b) Show that AM _ BC. Type your solution, notes and/or work here. Show Solution 3.2.3: t V In the diagram at right, AB = 7, AD = 4, CD = 4, and BC = 7. Prove that ZABD = ZCBD. A Hint Type your solution, notes and/or work here. Show Solution