9000085310 | math4u.vsb.cz

9000085310

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Project ID: 
9000085310
Accepted: 
1
Clonable: 
0
Easy: 
1
The pad in the form of (not necessarily regular) octagon is manufactured from a square. The side of the square is 4cm. An isosceles right triangle of the hypotenuse 1cm is removed from each corner of the square which results in the desired octagon. How much of the material of the initial square goes to the waste?
12.5%
10%
15%
20%