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bjbailey1561
22.01.2021 •
Mathematics
Hi so i have a test tmmr about proportional relationship can anyone help me by chance at 1:40
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Ответ:
Ответ:
m∠X + m∠Y + m∠Z = 180°
m∠X + m∠Y = 180°- m∠Z
m∠Z > 180° - m∠Z
2 m∠Z > 180° /:2
m∠Z > 90° ( A, B and C are not possible )
D ) m∠X + m∠Y < 90°