someoneishere190
someoneishere190 someoneishere190
  • 15-02-2019
  • Mathematics
contestada

need an answer thanks​

need an answer thanks class=

Respuesta :

infini18
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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