davidpfeil666 davidpfeil666

12-05-2020
Mathematics

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find the area of a regular octagon with an apothem of 8

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samuelonum1 samuelonum1

19-05-2020

Answer:

308cm²

Step-by-step explanation:

Assuming the given unit is in cm

The expression for the area of a regular Octagon is

A=2(1+√2)a²

Given the apothem a = 8cm

Substituting we have

A=2(1+√2)8²

A= 2(1+1.414)64

A= 2(2.414)64

A= 308cm²

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