someoneishere190 someoneishere190

15-02-2019
Mathematics

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Respuesta :

infini18 infini18

15-02-2019

Answer:

160 (to the nearest tenth)

Step-by-step explanation:

Area of an octagon = 2(1+2) x a^2 -where a is the length of the side

Substitute:

2(1+2) x 5.8^2 ≈ 162.42829

160 (to the nearest tenth)

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