Difference between revisions of "2001 AMC 10 Problems/Problem 20"
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A regular octagon is formed by cutting an isosceles right triangle from each of the corners of a square with sides of length <math> 2000 </math>. What is the length of each side of the octagon? | A regular octagon is formed by cutting an isosceles right triangle from each of the corners of a square with sides of length <math> 2000 </math>. What is the length of each side of the octagon? | ||
− | <math> \textbf{(A)} | + | <math> \textbf{(A)} \frac{1}{3}(2000) \qquad \textbf{(B)} 2000(\sqrt2-1) \qquad \textbf{(C)} 2000(2-\sqrt2) |
− | \textbf{(D)} | + | \qquad \textbf{(D)} 1000 \qquad \textbf{(E)} 1000\sqrt2 </math> |
== Solution == | == Solution == |
Revision as of 17:27, 8 October 2011
Problem
A regular octagon is formed by cutting an isosceles right triangle from each of the corners of a square with sides of length . What is the length of each side of the octagon?
Solution
.
See Also
2001 AMC 10 (Problems • Answer Key • Resources) | ||
Preceded by Problem 19 |
Followed by Problem 21 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AMC 10 Problems and Solutions |