what is diagonal ? plzzzzzzzzzzzzzzz tell me
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In geometry, a diagonal is a line segment joining two vertices of a polygon or polyhedron, when those vertices are not on the same edge. Informally, any sloping line is called diagonal. ... In matrix algebra, a diagonal of a square matrix is a set of entries extending from one corner to the farthest corner.
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Step-by-step explanation:
a straight line joining two opposite corners of a square, rectangle, or other straight-sided shape.
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