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If the measure of arc FF=47 and the measure of angle ACD=55, determine the measure of arc BD. I really need help with this, thank you!!

If the measure of arc FF47 and the measure of angle ACD55 determine the measure of arc BD I really need help with this thank you class=

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sqdancefan

Answer:

  d.  8°

Step-by-step explanation:

It appears as though you intend ∠ECF and ∠ACB to be vertical angles, hence the same measure, 47°. The angle of interest, ∠BCD, is added to that to make ∠ACD, which is 55°. The added angle must be 55° -47° = 8°.

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