4.
5.
45°
مر
(4x)
to
120°
To start, determine what types of triangles are shown
in the diagram. Then use an equation to find x.
Because two sides are marked congruent in both
triangles, the triangles are both ?.
45+
+x=
6.
to
37°

4 5 45 مر 4x to 120 To start determine what types of triangles are shown in the diagram Then use an equation to find x Because two sides are marked congruent in class=