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What is 1 + 3?
2nd Grade Geometry
A four sided figure, with opposite sides the same length and the right angle corners.
The same on both sides of a line. A mirror image
A 2-D figure with 3 or more sides that are closed.
A 90 degree angle. A corner of a notebook would fit in the angle.
Lines that never meet. They are always the same distance apart
A 3-sided polygon.
A round figure that is NOT a polygon. It has no sides.
A rectangle with all side equal length and the corners are right angles.