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Pls someone pls help me with this question pls

Pls someone pls help me with this question pls-example-1
User MYousefi
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1 Answer

5 votes

Answer:

B) x = 20

Explanation:

All triangle interior angles add up to 180 so:

x + 5 + 7x - 5 + x = 180

9x = 180

x = 20

User Tusshu
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