91.0k views
3 votes
Help me please thank you

Help me please thank you-example-1
User Sissythem
by
6.4k points

1 Answer

5 votes

Answer:

140°

Explanation:

180°=(4x-20)+×

180° = 5x-20

200°=5x

x=40°

140°+40°=180°

User Netanel
by
6.4k points
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