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 :

04-03-2020

Answer:

A≈309.02cm² Step by step

Answer Link

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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