In Figure 4, BD is a straight line. The straight lines AB and FD are parallel. The straight lines FB and EC are parallel. ∠ABF = 470° and ∠ECD = 868°.
Figure 4
Find ∠ZA, explaining your reasoning:
Find ∠ZB, explaining your reasoning:
Find ∠ZY, explaining your reasoning:
What do your answers to parts (c)(ii) and (c)(iii) tell you about triangle FBD? Explain your reasoning: