emilyroark2410 emilyroark2410

07-10-2020
Mathematics

contestada

How many diagonals can an octagon have?

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arthurvillla arthurvillla

07-10-2020

Answer:20 diagonals

Step-by-step explanation:a square (or any quadrilateral) has 4(4−3)/2 = 4×1/2 = 2 diagonals. an octagon has 8(8−3)/2 = 8×5/2 = 20 diagonals.

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