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

E
F
39°

I need to find the measure of the arc or angle indicated its internal and external-example-1
User Spikyjt
by
3.2k points

1 Answer

4 votes
4 votes

Answer:

78°

Explanation:

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

I need to find the measure of the arc or angle indicated its internal and external-example-1
User Hersson
by
2.7k points