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valentina_108
[34]
3 years ago
8
Point O is the center of the circle in the diagram. What is m∠BCA ?
Mathematics
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1
answer:
Eduardwww
[97]
3 years ago
3
0
M ∠ BOA = 360° - 250° = 110°
The sum of all interior angles of the quadrilateral AOBC is 360°
m ∠ BCA = 360° - ( 110° + 90° + 90° ) = 360° - 290° = 70°
Answer:
C ) 70°
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