Question

how many diagonals r there in an octagon​

Answer 1

THERE ARE 20 DIAGONALS IN A OCTAGON

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Step-by-step explanation:

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Answer 2

Answer:

n = side

diagonal = n ( n - 3 )

2

= 8 ( 8 - 3 )

2

= 4 × 5

=. 20

Step-by-step explanation:

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