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EleoNora [17]
3 years ago
14

Given: Circle O,

Mathematics
1 answer:
Lunna [17]3 years ago
5 0
In A Circle:
If AB || CD ⇒ BC = AD = 16°
AB + BC + CD + AD = 360°
AB + CD + 2BC = 360°
48° + CD + (2*16°) = 360°
CD = 360° - 48° - 32°
CD = 280°
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