Using Alternate, Corresponding, and Interior Angles to Find Unknowns

Using Alternate, Corresponding, and Interior Angles to Find Unknowns

Secondary 1

In the figure below, \(BC\) is parallel to \(DF\) and \(AE\) is parallel to \(CD\).
Given that angle \(BCD=2x{}^\circ \), angle \(CDE=x{}^\circ \), angle\(AEF=y{}^\circ \), angle \(EAB=z{}^\circ \) and angle\(ABC=130{}^\circ \).

Find the value of

  1. \(x\)
  2. \(y\)
  3. \(z\)

State your reasons clearly in your workings.

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Answer:(a) \(x = 60\) (b) \(y = 60\) (c) \(z = 110\)

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