please answer this
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Answered by
1
Step-by-step explanation:
1. 360/9 = 40°
2. Because it is a regular nonagan. So the sides are obviously equal.
3.b=160°
4.as the triangle is isosceles. a+b+b=360 . Solve it.
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Answered by
0
Answer:
we have to do frist contractions then we solve but I solve tommaro on word .... I will. answer really .. OK don't worry.... ... it's take a time..... sorry .........
Step-by-step explanation:
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