find the value of x
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60°+45°+ angle ACB = 180° (Angle sum property)
angle ACB = 180°-105°
angle ACB = 75°
angle ACB= angle DCE (vertically opposite angle)
75° = angle DCE
80°+74°+angle CED = 180° (Angel sum property)
angle CED = 180°-155°
angle CED = 25°
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Answered by
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Step-by-step explanation:
in triangle ABC
60 + 45 + ACB = 180 (sum of interior angles of a triangle =180)
105 + ABC = 180
ABC = 75
as angle ABC = DCE
so angle DCE = 75
in triangle DCE
80 + 75 + CED = 180
155 + CED = 180
CED = 25
so x = 25
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