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Question about Circles: Theorems

Math

Originais Teachy

Circles: Theorems

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(Originais Teachy 2023) - Question Medium of Math

During a geometry class, the teacher draws a circle on the board and marks an inscribed angle ABC that intersects the circle at points A and C. He also draws a central angle AOC that intersects the circle at the same points. The teacher informs that the central angle AOC measures 80 degrees and asks the students to find the measure of the inscribed angle ABC. What is the measure of the inscribed angle ABC?
a.
40 degrees
b.
80 degrees
c.
100 degrees
d.
60 degrees
e.
20 degrees

Answer:

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