Difference between revisions of "2001 PMWC Problems"
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== Problem I11 == | == Problem I11 == | ||
+ | <asy> | ||
+ | size(8cm); | ||
+ | defaultpen(fontsize(11)); | ||
+ | pair A,B,C,D; | ||
+ | A=origin; | ||
+ | B=(0.523713039560712, 0.150288579021811); | ||
+ | C=(0.564402523837359, 1.185901582062919); | ||
+ | D=(-0.640531236354945, 1.247592090482351); | ||
+ | pair Ap,Bp,Cp,Dp; | ||
+ | Ap=rotate(180,B)*A; | ||
+ | Bp=rotate(180,C)*B; | ||
+ | Cp=rotate(180,D)*C; | ||
+ | Dp=rotate(180,A)*D; | ||
+ | draw(A--Ap--Bp--Cp--Dp--D--C--B); | ||
+ | draw(Dp--Ap); | ||
+ | draw(Bp--C); | ||
+ | draw(Cp--D); | ||
+ | label("$A$",A,SW); | ||
+ | label("$B$",B,S); | ||
+ | label("$C$",C,E); | ||
+ | label("$D$",D,N); | ||
+ | label("$A'$",Ap,unit(Ap)); | ||
+ | label("$B'$",Bp,unit(Bp)); | ||
+ | label("$C'$",Cp,W); | ||
+ | label("$D'$",Dp,unit(Dp)); | ||
+ | //Credit to dasobson for the diagram</asy> | ||
[[2001 PMWC Problems/Problem I11|Solution]] | [[2001 PMWC Problems/Problem I11|Solution]] | ||
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== Problem I14 == | == Problem I14 == | ||
+ | <asy> | ||
+ | size(9cm); | ||
+ | real horiscale=11/8; | ||
+ | for(int i = 0; i < 4; ++i) | ||
+ | { | ||
+ | for(int j = 0; j < 3; ++j) | ||
+ | { | ||
+ | draw((i*horiscale,j)--((i+1)*horiscale,j)--((i+1)*horiscale,j+1)--(i*horiscale,j+1)--cycle); | ||
+ | if((i == 0 && j == 1) || (j == 0 && i > 0) || (i == 2 && j == 2)) | ||
+ | { | ||
+ | label( "$\bullet$",((i*horiscale,j)+((i+1)*horiscale,j)+((i+1)*horiscale,j+1)+(i*horiscale,j+1))/4 ); | ||
+ | } | ||
+ | else | ||
+ | { | ||
+ | label( "$\circ$",((i*horiscale,j)+((i+1)*horiscale,j)+((i+1)*horiscale,j+1)+(i*horiscale,j+1))/4 ); | ||
+ | } | ||
+ | } | ||
+ | } | ||
+ | draw(origin--(-1.3*3,0)--(-1.3*3,3)--(0,3)--cycle); | ||
+ | label("Hotel",(-1.3*3/2,5/2)); | ||
+ | label("This side up",(-1.3*3/2,3/2)); | ||
+ | label("(This is an example of one possibility)", ((-1.3*3+1.3*4)/2,-.4),fontsize(11)); | ||
+ | //Credit to dasobson for the diagram</asy> | ||
[[2001 PMWC Problems/Problem I14|Solution]] | [[2001 PMWC Problems/Problem I14|Solution]] | ||
Latest revision as of 20:24, 21 April 2014
Contents
- 1 Problem I1
- 2 Problem I2
- 3 Problem I3
- 4 Problem I4
- 5 Problem I5
- 6 Problem I6
- 7 Problem I7
- 8 Problem I8
- 9 Problem I9
- 10 Problem I10
- 11 Problem I11
- 12 Problem I12
- 13 Problem I13
- 14 Problem I14
- 15 Problem I15
- 16 Problem T1
- 17 Problem T2
- 18 Problem T3
- 19 Problem T4
- 20 Problem T5
- 21 Problem T6
- 22 Problem T7
- 23 Problem T8
- 24 Problem T9
- 25 Problem T10