If an exterior angle of a regular polygon is 21.2°, how many sides does the polygon have?
1 answer:
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Answer:
Step-by-step explanation:
Hello!
The expression is written in the form of
Let's factor by grouping:
The sum of the factors of -50 should add up to -23.
-25 and 2 work for this.
Expand and factor:
The factored expression is