laylay2380
27.10.2020 •
Mathematics
Angle C and angle D are vertical angles with m angle C = -x + 26 and m angle D = 2x - 10. What is m angle D?
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Ответ:
∠ DEF = 75°
Step-by-step explanation:
The inscribed angle DEF is half the central angle, thus
∠ DEF = 0.5 × 150° = 75°