Need an answer thanks​

asked Oct 4, 2020 136k views

2 votes

Need an answer thanks

5.3k points

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1 vote

Answer:

160 (to the nearest tenth)

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)

ZijingWu answered Oct 10, 2020

4.4k points

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