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Sagot :

Answer:

13. m∠VST = m∠RSV - m∠RST = 67 - 41

m∠VST = 26°

14 - 15. [tex](5x+10)+(2x-5)=180[/tex]

[tex]7x+5=180[/tex]

[tex]x=\frac{180-5}{7} =25[/tex]

∠DBC = 2x - 5 = 2(25) - 5 = 45°