lyraduncan2001
Answered

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What is the area of the regular octagon with a side length of 10 m and an apothem of 12.1 m?

A.
242 m2

B.
363 m2

C.
484 m2

D.
968 m2

Here is a picture if you need it.

What Is The Area Of The Regular Octagon With A Side Length Of 10 M And An Apothem Of 121 M A 242 M2 B 363 M2 C 484 M2 D 968 M2 Here Is A Picture If You Need It class=

Sagot :

iGreen
A = 2 * a^2 * (1 + sqrt 2)

Where 'a' is the side length.

A = 2 * 10^2 * (1 + sqrt 2)

A = 2 * 10^2 * 2.41421356

A = 2 * 100 * 2.41421356

A = 200 * 2.41421356

A = 482.842712

Therefore, the closest one is C.
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