The figure below shows a quadrilateral ABCD with angle
CAD = 30 degrees, angle BAC = 35 degrees, angle ABC = 110 degrees, and angle
BCD = 130 degrees. Find the measure of angle BDC. *Try to use elementary geometry (no trigonometry).*

Geometric art is a form of art based on the use and application of geometric figures. A geometric figure is any set or combination of points, lines, surfaces and solids.

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