Difference between revisions of "1998 AJHSME Problems/Problem 20"
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Revision as of 13:10, 10 June 2011
Problem 20
Let be a square piece of paper.
is folded onto
and then
is folded onto
. The area of the resulting figure is 9 square inches. Find the perimeter of square
.
Solution
After all folds are completed, the square would be of the original square.
Since the area is for
of the square,
is the area of square
See also
1998 AJHSME (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 AJHSME/AMC 8 Problems and Solutions |