Understanding Consecutive Interior Angles Theorem
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Beginner
Start here! Easy to understand
Beginner Explanation
When two lines are cut by a third line (transversal), the angles that are inside the two lines and on the same side of the transversal are called consecutive interior angles.
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Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
On two parallel lines cut by a transversal, angles at the upper intersection are numbered 1 to 4 clockwise starting at the top-left. Which pair of angles are consecutive interior angles?
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2
Real-World Problem
Question Exercise
Intermediate
Street Intersection Scenario
In a city, the streets are laid out in a grid, forming parallel lines and transversals. You are at a corner and looking at the angles formed by the crossing streets. Identify the two consecutive interior angles and explain why they are consecutive interior angles.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
If two parallel lines are cut by a transversal and one of the consecutive interior angles measures $110^\circ$, what is the measure of the other angle?
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4
Challenge Quiz
Single Choice Quiz
Advanced
If $\angle 1$ and $\angle 2$ are consecutive interior angles and $\angle 1 = 3x$ and $\angle 2 = 5x - 40$, find the value of $x$.
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Recap
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