4. In the figure, DOE and a line, find z
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Answer:
90°
Step-by-step explanation:
as DOE is a straight line then
AngleDOE° = 180°
and AngleDOE° =AngleCOD°+Anglex°+AngleAOE°
180° = 50° + x° + 40°
180° - 90° = x°
x° = 90°
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