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

asked Jun 26, 2023 66.9k views

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

E
F
39°

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14 votes

Answer:

78°

Explanation:

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

Andrgolubev answered Jul 2, 2023

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