Need help on angles of polygons

asked Oct 1, 2022 169k views

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2 votes

Answer:

x=8

Explanation:

180-71=109

360-109=251

251=10x+6+13x-2+8x-1

251=31x+3

251-3=

248/31=8

Hope this helps

Elley answered Oct 7, 2022

by Elley

5.8k points

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