Question
Let ABCD be a convex quadrilateral inscribed in a circle such that its diagonals are perpendicular to each other. Let O be the center of the circle. Prove that the broken line AOC divides the quadrilateral into two parts of equal area.
V. Varvarkin
Topics:
Geometry
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Area Calculation
Geometry
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Plane Geometry
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Circles
Geometry
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Plane Geometry
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Angle Calculation
- Tournament of Towns, 1980-1981, Spring, Main Version, Grades 9-10 Question 3 Points 5
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