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MATH SOLVE
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See photo for math problem
5 months ago
Q:
see photo for math problem
Accepted Solution
A:
m arc BEC=290°
m<BAC
BAC is a central angle, then:
m<BAC=m arc CDB
m arc CDB + m arc BEC = 290°
Replacing m arc BEC=290°
m arc CDB+290°=360°
Solving for m arc CDB:
m arc CDB+290°-290°=360°-290°
m arc CDB=70°
m<BAC=m arc CDB
m<BAC=70°
Answer: First option 70°