Example 6: In Fig., AB || CD and CD || EF. Also EA ⊥ AB. If ∠BEF=55°, find the values of x, y and z

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Example 6 : In Fig. 6.27, AB || CD and CD || EF. Also EA ⊥ AB. If ∠ BEF = 55°, find the values of x, y and z.

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