I need to find the measure of the arc or angle indicated its internal and external tangents E F 39°

Spikyjt asked Sep 13, 2023

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32 votes

I need to find the measure of the arc or angle indicated its internal and external tangents

E
F
39°

Spikyjt asked Sep 13, 2023

3.2k points

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4 votes

Answer:

78°

Explanation:

If the Vertex of the angle is ON the circle, then the arc is double the angle. See image.

Hersson answered Sep 17, 2023

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