Examlex
Chorionic gonadotropin is secreted by the endometrium when a woman becomes pregnant. True or False?
Ellipse
An ellipse is a curve on a plane that surrounds two focal points such that the sum of the distances to the two focal points is constant for every point on the curve.
Center
The midpoint or central point of a geometric shape or object.
Vertices
The points where two or more edges meet in a geometric shape or graph.
Center
The midpoint or origin in a coordinate system; also refers to the midpoint of a shape or object in geometry.
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