Math Problem Statement
Solution
In the image, we are given two parallel lines and , cut by a transversal line . The question asks us to identify alternate exterior angles.
Step-by-step explanation:
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Parallel Lines and Transversals: When a transversal crosses two parallel lines, alternate exterior angles are formed on opposite sides of the transversal, outside the parallel lines. These angles are congruent.
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Location of Alternate Exterior Angles:
- The angles located outside the parallel lines and but on opposite sides of the transversal are called alternate exterior angles.
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Identifying Alternate Exterior Angles:
- Angle : This is an exterior angle on the upper side of line , to the left of the transversal.
- Angle : This is an exterior angle on the lower side of line , to the right of the transversal.
These two angles, and , form a pair of alternate exterior angles.
Correct Answer:
The correct answer is and .
Would you like more details or have any other questions?
Here are 5 follow-up questions you might find useful:
- What is the definition of alternate interior angles?
- How do you determine corresponding angles in a transversal diagram?
- Why are alternate exterior angles congruent?
- Can two angles be alternate exterior if they are on the same side of the transversal?
- How can we use alternate exterior angles to prove that lines are parallel?
Tip: Remember that alternate exterior angles are always congruent when the lines cut by the transversal are parallel.
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Math Problem Analysis
Mathematical Concepts
Geometry
Parallel Lines
Transversals
Angles
Formulas
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Theorems
Alternate Exterior Angles Theorem
Suitable Grade Level
Grades 7-9
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