AIR MATH

Math Question

29. In \( \triangle D E F, m \angle D=3 x+5, m \angle E=4 x-15 \), and \( m \angle F=2 x+10 . \) Which statement is true?
A. \( D F=F E \)
B. \( D E=F E \)
C. \( m \angle E=m \angle F \)
D. \( m \angle D=m \angle F \)

Solution

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