If the measure of arc EF=47 and the measure of angle ACD=55, determine the measure of angle ECF. I really need help with this, t

Question

PilotLPTM [1.2K]

3 years ago

14

If the measure of arc EF=47 and the measure of angle ACD=55, determine the measure of angle ECF. I really need help with this, t

hank you!!

Mathematics

1 answer:

djyliett [7] · Answer 1 · 2022-08-25T17:18:00+03:00

Answer:

55°

Step-by-step explanation:

∠ECF is a vertical angle with ∠ACD, so has the same measure, 55°.

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Whatever arc may exist between points E and F is not shown on your diagram, nor is the center (or radius) of it shown. The measure of arc EF is irrelevant to the question.