Consider a grid with 8 parallel vertical edges and 9 parallel horizontal edges, consecutive edges being separated by distance unity- (i) Find the numb
Consider a grid with 8 parallel vertical edges and 9 parallel horizontal edges, consecutive edges being separated by distance unity-
(i) Find the number of rectangles in this grid.
(ii) Find the number of reactangles whose both sides are odd.
(iii) Find the number of squares with even sides.
(iv) Find the number of squares in this grid.
(v) Number of ways two squares of sides, `1xx1` can be chosen so that they have a side in common.
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