Difference between revisions of "1997 PMWC Problems/Problem I11"
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<math>2(w+l)+6w=330</math> | <math>2(w+l)+6w=330</math> | ||
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{{PMWC box|year=1997|num-b=I10|num-a=I12}} | {{PMWC box|year=1997|num-b=I10|num-a=I12}} | ||
[[Category:Introductory Geometry Problems]] | [[Category:Introductory Geometry Problems]] | ||
Revision as of 15:04, 15 May 2012
Problem
A rectangle ABCD is made up of five small congruent rectangles as shown in the given figure. Find the perimeter, in cm, of ABCD if its area is 
.
Solution
Let 
and 
be the length, and width, respectively, of one of the small rectangles.
The perimeter of the big rectangle is
See Also
| 1997 PMWC (Problems) | ||
| Preceded by Problem I10 |
Followed by Problem I12 | |
| I: 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 T: 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
