9000046406

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Level: 
Project ID: 
9000046406
Accepted: 
1
Clonable: 
0
Easy: 
0
Find the area of the regular octagon of the perimeter 16cm. Round the result to two decimal places. (The regular octagon is a polygon which has eight sides of equal length, see the picture. The perimeter of the octagon is the sum of the length of all eight sides.)
19.31cm2
3.31cm2
20.88cm2