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Search: subworld:curves_and_fill_shapes_separate_drawing
Displaying 61-70 of 103 results found. ( prev | next )     page 1 2 3 4 5 6 7 8 9 10 11
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BP304 At least one (interior or exterior) right angle vs. no right angle (either interior or exterior).
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP299 BP300 BP301 BP302 BP303  *  BP305 BP306 BP307 BP308 BP309

KEYWORD

traditional, finishedexamples

WORLD

polygon_outline [smaller | same | bigger]

AUTHOR

"Lewis"

BP328 All sides are equal vs. all angles are equal.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP323 BP324 BP325 BP326 BP327  *  BP329 BP330 BP331 BP332 BP333

KEYWORD

nice, stretch, left-narrow, right-narrow, traditional, finishedexamples, both

CONCEPT angle (info | search),
length_line_or_curve (info | search),
same_feature (info | search),
same (info | search)

WORLD

polygon_outline [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP329 Regular polygon vs. not regular polygon.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP324 BP325 BP326 BP327 BP328  *  BP330 BP331 BP332 BP333 BP334

KEYWORD

precise, allsorted, stretch, traditional, finishedexamples, preciseworld

CONCEPT angle (info | search),
same_feature (info | search),
same (info | search)

WORLD

polygon_outline [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP340 Regular star polygon vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP335 BP336 BP337 BP338 BP339  *  BP341 BP342 BP343 BP344 BP345

KEYWORD

math, traditional

CONCEPT tracing_line_or_curve (info | search),
vertex_of_meeting_lines (info | search),
write_in_single_stroke (info | search)

WORLD

figure_made_of_segments [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP342 Exactly one axis of symmetry vs. either zero or more than one axis of symmetry.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP337 BP338 BP339 BP340 BP341  *  BP343 BP344 BP345 BP346 BP347

KEYWORD

traditional, finishedexamples

CONCEPT exists_one (info | search),
imagined_line_or_curve (info | search),
imagined_entity (info | search),
symmetry_axis (info | search),
symmetry (info | search)

WORLD

shape_outline [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP348 Shape on the right is the convex hull of shape on the left vs. not so.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP343 BP344 BP345 BP346 BP347  *  BP349 BP350 BP351 BP352 BP353

KEYWORD

precise, unstable, perfect, orderedpair, traditional

CONCEPT convex_hull (info | search)

WORLD

2_fill_shapes [smaller | same | bigger]

AUTHOR

Aaron David Fairbanks

BP390 Each graph vertex is uniquely defined by its connections (the graph does not admit nontrivial automorphisms) vs. the graph admits nontrivial automorphisms.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP385 BP386 BP387 BP388 BP389  *  BP391 BP392 BP393 BP394 BP395

KEYWORD

precise, allsorted, notso, traditional, preciseworld

CONCEPT graph (info | search),
self-reference (info | search),
topological_transformation (info | search),
imagined_shape (info | search),
imagined_entity (info | search)

WORLD

connected_graph [smaller | same | bigger]

AUTHOR

Jago Collins

BP391 There exists an edge such that removing it yields two disconnected graphs (i.e., the minimum number of edges whose removal results in two disconnected graphs is 1) vs. the minimum number of edges whose removal results in two disconnected graphs is 2.
(edit; present; nest [left/right]; search; history)
CROSSREFS

Adjacent-numbered pages:
BP386 BP387 BP388 BP389 BP390  *  BP392 BP393 BP394 BP395 BP396

KEYWORD

nice, precise, traditional, preciseworld

CONCEPT graph (info | search),
distinguishing_crossing_curves (info | search),
existence (info | search),
imagined_shape (info | search),
imagined_entity (info | search)

WORLD

connected_graph [smaller | same | bigger]

AUTHOR

Jago Collins

BP557 Equal horizontal length vs. not
(edit; present; nest [left/right]; search; history)
COMMENTS

All examples in this Problem are pairs of straight line segments.


This problem communicates the idea of projected distance, in this case from 2D to 1D (x-axis).

CROSSREFS

Adjacent-numbered pages:
BP552 BP553 BP554 BP555 BP556  *  BP558 BP559 BP560 BP561 BP562

KEYWORD

nice, precise, allsorted, stretch, perfect, unorderedpair, preciseworld

CONCEPT projection (info | search)

WORLD

two_segments [smaller | same | bigger]

AUTHOR

Leo Crabbe

BP559 Cross section of a cube vs. not cross section of a cube
?
(edit; present; nest [left/right]; search; history)
COMMENTS

All examples are solid black shapes.


This problem is absurdly hard. It makes a good extreme example. - Aaron David Fairbanks, Nov 23 2020

CROSSREFS

Adjacent-numbered pages:
BP554 BP555 BP556 BP557 BP558  *  BP560 BP561 BP562 BP563 BP564

KEYWORD

hard, precise, allsorted, notso, stretch, challenge, left-narrow, perfect

CONCEPT cube (info | search),
cross_section (info | search)

WORLD

fill_shape [smaller | same | bigger]

AUTHOR

Leo Crabbe

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