I asked my teacher for help and she didn’t. Please help. All info is on the pic.

asked Oct 18, 2023 11.3k views

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2 votes

Total arc lenght of a circle = 360°

mAD + m AB + m BC + m DC = 360

100 + 110 + 90 + mDC = 360

mDC = 360 - 100 - 110 - 90

mDC = 60

JeffreyLazo answered Oct 23, 2023

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