2. To find out how many diagonals are in a figure, just use this equation:
n(n-3)/2 where n equals the number of sides
therefore:
4(4-3)/2
4(1)/2
4/2
2 diagonals
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A 4 sided quadrilateral has 2 diagonals.
It has 2 diagonals in common with all other 4 sided quadrilaterals
Any quadrilateral (4-sided shape) has 2 diagonals.
7-3 = 4
A kite has two diagonals. To see a drawing that makes it perfectly clear, use the link below.A 4 sided quadrilateral kite has 2 diagonals