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Transcript
Theorem 10.10
• If a right triangle is inscribed in a circle, then the
hypotenuse is a diameter of the circle.
Conversely, if one side of an inscribed triangle is a
diameter of the circle, then the triangle is a right
triangle and the angle opposite the diameter is the
right angle.
• B is a right angle if and only if AC is a diameter
of the circle.
A
B
C