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Given : AB || CD
Construction : draw a line segment AC to form a ∆ AEC
To find : x or angle CEA
Solution : angle EAC = 104° - 90° = 50°
angle ACE = 116° - 90° = 26 °
We know that sum of ∆ is equals to 180 °
∆ AEC = EAC + ACE + CEA = 180°
= 50° + 26° + CEA = 180°
= CEA = 180° - 76
=. CEA = 104°
Construction : draw a line segment AC to form a ∆ AEC
To find : x or angle CEA
Solution : angle EAC = 104° - 90° = 50°
angle ACE = 116° - 90° = 26 °
We know that sum of ∆ is equals to 180 °
∆ AEC = EAC + ACE + CEA = 180°
= 50° + 26° + CEA = 180°
= CEA = 180° - 76
=. CEA = 104°
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