Chemistry, asked by amen7, 1 year ago

In a regular polygon ,the ratio of the inner and outer angle is 7:2.what is each angle?how many does the polygon have?

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Answered by aryanchoudhary

5

7x+ 2x=180. 9x=180. x=180÷9. x=20. 7x=9×20. 7x=180. 2x =2×20. 2x =40

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