Answer:
w = 6.67 cm
v = 5.33 cm ( both to nearest hundredth).
Explanation:
Triangles XWZ and XYW are similar, so:
w/4 = 5/3
3w = 20
w = 20/3
= 6.667 cm.
Applying Pythagoras theorem to triangle WZY:
w^2 = 4^2 + v^2
6,667^2 = 16 + v^2
v^2 = 28.449
v = 5.334. cm.