In geometry, when two lines (M and N) are parallel and are intersected by a transversal, several angles are formed, including alternate interior angles, corresponding angles, and same-side interior angles.
If angle 1 is given as 135 degrees, it will depend on the specific angles in context to determine angle 8. However, understanding the relationships between parallel lines and angles is crucial:
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Corresponding Angles: They are equal. If angle 1 is one of the same-side angles with respect to a transversal, then angle 8, being a corresponding angle, would also measure 135 degrees.
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Alternate Interior Angles: They are equal as well. If angle 1 is one of the alternate interior angles, then angle 8 would also be 135 degrees.
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Same-Side Interior Angles: They are supplementary, meaning they add up to 180 degrees. If angle 1 and angle 8 are on the same side of the transversal, then angle 8 would be \(180 - 135 = 45\) degrees.
Without more information about the positions of angle 1 and angle 8 relative to the parallel lines and transversal, we can consider the possibilities mentioned above. If angle 1 and angle 8 are alternate interior or corresponding angles, then angle 8 is 135 degrees. Otherwise, if they are same-side interior angles, then angle 8 would measure 45 degrees.