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А
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с
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If mZACD = 100°, then mZECB = [?]°

А E с D В If mZACD = 100°, then mZECB = [?]°-example-1
User Sheyenne
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1 Answer

5 votes

Answer:

100

Explanation:

they are vertical angles therefore, they have the same measure.

User Octav
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