The figure below displays a semicircle O with a diameter AB = 12 units. Arc AC measures 135 degrees, and point D is the midpoint of arc AC. Determine the shaded area that is enclosed by CD, BD, and arc BC.
Problem 825 Inscribed shapes dance,
Arcs and chords find symmetry,
Geometry speaks. Circle and chord dance, Midpoint splits the line in two, Geometry art.
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