Understanding Adjacent Angles
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Beginner
Start here! Easy to understand
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Beginner Explanation
Adjacent angles are two angles that have a common vertex and a common side but do not overlap. For example, in ∠BAC and ∠CAD, ray AC is the shared side.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
Which pair of angles are adjacent? Angles $\angle A$, $\angle B$, and $\angle C$ are formed by rays OA, OB, and OC at common vertex O.
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2
Real-World Problem
Question Exercise
Intermediate
Bike Ride Scenario
You're riding your bike and making turns on a path. You make a turn to the left at an angle of $90^\circ$ and then another turn to the right at an angle of $45^\circ$. Are these turns adjacent angles?
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
If two angles are each $90^\circ$ and they share a common vertex and side, are they adjacent angles?
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4
Challenge Quiz
Single Choice Quiz
Advanced
Are $\angle A$ and $\angle B$ adjacent angles if they share common vertex O and rays OA, OB, and OC, where $\angle A = 60^\circ$ is formed by rays OA and OB, and $\angle B = 120^\circ$ is formed by rays OB and OC?
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