Question

answer this question please​

Answer 1

Step-by-step explanation:

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Answer 2

[(n-2)*180] by this identity we can solve all the questions

1. 7=(7-2*180)=900°
2. 8=(8-2*180)=1080°
3. 10=(10-2*180)=144°
4. n=(n-2*180)=n-2*180°

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