Home Geometry Problems 301-310 Semicircle Post a comment        By Antonio Gutierrez
Problem 310: Circle Inscribed in a Semicircle, 45 Degrees Angle.
Level: High School, SAT Prep, College geometry.

In the figure below, circle C is inscribed in a semicircle with diameter AB. If D and E are the tangency points, prove that the measure of angle AED is 45 degrees.
 

Geometry problem about Semicircle, Circle, Tangent, Angle

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