Understanding Polygon Interior Angles Sum Theorem
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Beginner
Start here! Easy to understand
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Beginner Explanation
The formula $(n - 2) \times 180^\circ$ allows us to find the sum of interior angles easily.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the sum of the interior angles of a hexagon? $(n = 6)$
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
Sarah is designing a stop sign for her project. Calculate the sum of the interior angles of the stop sign, which is an octagon.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
If a polygon has an angle sum of $1440^\circ$, how many sides does it have?
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4
Challenge Quiz
Single Choice Quiz
Advanced
A polygon has an interior angle sum of $2160^\circ$. How many sides does it have?
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Recap
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