what is the difference between the number of diagonals in an octagon and hexagon
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Answer:
n. o of sides in octagon=8
n. o of sides in hexagon=6
formula for n. o of diagonals=n(n-3)/2
where n is n. o of sides
n.o of diagonals in hexagon=6(6-3)/2
=6(3)/2=9.
n.o of diagonals in octagon=8(8-3)/2
=8(5)/2=20.
difference between n. o of diagonals is 20-9=11.
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