DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting...

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Drawing Drawing Created by Inna Shapiro ©2008

Transcript of DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting...

Page 1: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

DrawingDrawingDrawingDrawing

Created by Inna Shapiro ©2008

Page 2: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 1

Can you draw this figure without lifting your pencil?

You have to draw each line exactly once.

Page 3: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Hint

You can start at point A.

A

Page 4: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 2The road map in a magic garden is shown on the

picture. Can Dorothy walk around all roads without

walking twice on any path?

Page 5: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

HintDorothy can start at point A.

A

Page 6: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 3

Can you draw this figure without lifting your pencil?

You have to draw each line exactly once.

Page 7: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Hint

You can start at point A.

A

Page 8: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 4The roads in Mathtown look like a

star in a circle.Can a driver drive through all roads

passing each road exactly once?

Page 9: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

AnswerThe driver can start at point A, drive

around the circle, and then drive along the star lines.

A

Page 10: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 5

Can you draw this figure without lifting your pencil?

You have to draw each line exactly once.

Page 11: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Hint

You can start at point A.

A

Page 12: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 6There are nine dots on the picture.Can you draw four segments on it

without lifting your pencil, so that those segments pass through all nine dots?

Page 13: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

AnswerThe four segments are shown on the

picture. Start at point A and proceed to points B, C, and D.

A

B

C

D

Page 14: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 7Can you draw this figure without

lifting your pencil?You have to draw each line exactly

once.

Page 15: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Hint

You can start at point A.

A

Page 16: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 8There are four circular bike paths in a

park. Can a biker ride through all paths passing

each path exactly once?

Page 17: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

HintThe biker can start at point

A.

A

Page 18: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

AnswerThe biker can start at point A and ride to points B, C, D, E, F, C, G, H, K, E, I, A, J, E, L, H, M, A, N, H, O, C, P, A in that order.

A

B

C

D E

F

G H

IJK

LM

NO

P

Page 19: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 9Can you draw this figure without

lifting your pencil?You have to draw each line exactly

once.

Page 20: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

HintYou can start at point A.

A

Page 21: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

AnswerYou can start at point A, draw the left

square, move to points B, C, draw the right square, move to points D, E, F, A.

A

B C D

EF

Note that we crossed our own path, for example, while drawing ED.

Page 22: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

Problem 10Can you draw this figure without lifting

your pencil?You have to draw each line exactly once.You are not allowed to cross your own

path.

Page 23: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

HintPaint the figure as shown on the

picture.

Page 24: DrawingDrawing Created by Inna Shapiro ©2008. Problem 1 Can you draw this figure without lifting your pencil? You have to draw each line exactly once.

AnswerStart from point A and follow the

boundary of the violet figure.

A