luisrenno
luisrenno luisrenno
  • 04-03-2020
  • Mathematics
contestada

Find the area of a regular octagon with side length 8 cm. Round your answer to the nearest square centimeter.

A. 53 cm
B. 106 cm
C. 155 cm
D. 309 cm

Respuesta :

105103 105103
  • 04-03-2020

Answer:

A≈309.02cm² Step by step

Answer Link
johnnyfrost2704
johnnyfrost2704 johnnyfrost2704
  • 04-03-2020
Here is your solution

A=2(1+2)a2=2·(1+2)·82≈309.01934cm²

So the answer to this problem is D
Answer Link

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