✨ Best Answer ✨
72°+(180°-2⚪︎)+(180°-2⚫︎)=180°
432°-2⚪︎-2⚫︎=180°
2⚪︎+2⚫︎=252°
⚪︎+⚫︎=126°
⚪︎+⚫︎+x=180°
126°+x=180°
x=54°
✨ Best Answer ✨
72°+(180°-2⚪︎)+(180°-2⚫︎)=180°
432°-2⚪︎-2⚫︎=180°
2⚪︎+2⚫︎=252°
⚪︎+⚫︎=126°
⚪︎+⚫︎+x=180°
126°+x=180°
x=54°
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