jayduh11 jayduh11
  • 26-03-2021
  • Mathematics
contestada

Find the area of of a regular octagon with side length 20 cm.

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carl92119211
carl92119211 carl92119211
  • 26-03-2021

A=2(1+[tex]\sqrt{2}[/tex])a^2=2·(1+[tex]\sqrt{2}[/tex])·20^2≈1931.37085cm²

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