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Need help with this please

Need help with this please
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3 votes
Need help with this please

Need help with this please-example-1
User Chris AtLee
by
8.1k points

1 Answer

4 votes

Answer:

angle C=93 degrees

Explanation:

arc AB=78 degrees

arc ABC=2x105 degrees=210 degrees

arc AD=360-210-42=108 degrees

arc=DAB=78+108=186 degrees

angle C=1/2(186)=93 degrees

User Jialin Wang
by
8.1k points
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