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Use the Exterior Angle Theorem to solve for the missing angle.
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Use the Exterior Angle Theorem to solve for the missing angle.

Use the Exterior Angle Theorem to solve for the missing angle.-example-1
User Gagarwa
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the angles of a triangle all have to equal up to 180 so you subtract 75 from 180 to get 105 and that should be the angle of inside the triangle for line GE. now you know that angle GCD has to be 75 because the inside angle is 105 and 105+75 is 180
User Rocel
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5 votes

Answer:

75

Explanation:

40+35 = 75

User Darrenmc
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