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Find the measure of the angle indicated with a?, and enter the number only​

Find the measure of the angle indicated with a?, and enter the number only​-example-1

1 Answer

5 votes

9514 1404 393

Answer:

45°

Explanation:

Arc YZ is the difference between the given arcs and 360°:

126° +144° +YZ = 360°

YZ = 360° -270° = 90°

The inscribed angle (?) is half the measure of the arc it intercepts:

? = 90°/2

? = 45°

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