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A Circle
it is a parallelogram or a trapezoid
Exterior angles
A quadrilateral
A plane figure with three straight sides and three angles.
a circle???
A Circle
it is a parallelogram or a trapezoid
Hendecagon
hendecagon
Exterior angles
A quadrilateral
It is a quadrilateral
A plane figure with three straight sides and three angles.
A polygon is a plane figure with 3 or more straight sides and angles. A plane figure is a flat enclosed figure made of straight lines, curved lines, or both.
a quadrilateral.
The figure which is always a rectangle is a SQUARE having four straight sides and four right angles.