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Last question (arc length and area) thanks!!!

Last question (arc length and area) thanks!!!-example-1
User Roadmaster
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1 Answer

7 votes

Answer:


m\angle ABC=60\textdegree

Explanation:


m\angle ABC=360-90-90-m\angle AOC\\=180-120\\=60\textdegree

User Max Zavernutiy
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