If an exterior angle of a regular polygon measures 45°, how many sides does the polygon have?
Question
If an exterior angle of a regular polygon measures 45°, how many sides does the polygon have?
Solution
1. Break Down the Problem
To find the number of sides in a regular polygon given that an exterior angle measures , we need to use the relationship between the measure of an exterior angle and the number of sides of the polygon.
2. Relevant Concepts
The formula to find the number of sides of a regular polygon using the measure of an exterior angle is given by: where is the measure of the exterior angle.
3. Analysis and Detail
In this case, . We can substitute this value into the formula:
4. Verify and Summarize
Now, we will perform the calculation:
Final Answer
The polygon has sides.
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