Question

what Is Daigonal Define
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Answer 1

A line segment that goes from one corner to another, but is not an edge. So when we directly join any two corners (called "vertices") which are not already joined by an edge, we get a diagonal. 

OR

The definition of diagonal is something with slanted lines or a line that connects one corner with the corner furthest away. An example of diagonalis a line going from the bottom left corner of a square to the top right corner. 

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