2007 AMC 10B Problems/Problem 4
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Problem
The point is the center of the circle circumscribed about
with
and
as shown. What is the degree measure of
Solution
Because all the central angles of a circle add up to
Therefore, the measure of is also
Since the measure of an inscribed angle is equal to half the measure of the arc it intercepts,
See Also
2007 AMC 10B (Problems • Answer Key • Resources) | ||
Preceded by Problem 3 |
Followed by Problem 5 | |
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All AMC 10 Problems and Solutions |
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