When referring to shapes or regions in mathematics, being bounded by lines means that they are enclosed within specific boundaries determined by straight lines.
Picture yourself inside a fenced-in soccer field. The boundaries of the field, formed by the surrounding fence, enclose and limit your movement within a defined area.
Area: The measure of the size of a two-dimensional shape or region bounded by lines.
Perimeter: The total length of all the sides or boundaries that enclose a two-dimensional shape.
Polygon: A closed figure with straight sides, formed by connecting line segments, and bounded by lines.
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