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I need the answer with at least a decent explanation. please and quickly.​

I need the answer with at least a decent explanation. please and quickly.​-example-1
User Hjulle
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8.6k points

1 Answer

3 votes

Answer:

answer is D

Explanation:

If AB and AC are the same that means that <B and <C are the same and since all sides must add up to 180 degrees then you add angles C and B together and subtract by 180.

180-80=100

User Bealex
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8.9k points