A pyramid from a squareSquaring the new yearFind smallest rectangle divided into figures so each figure has 5 neighboursDissecting a squareFair share of a square watermelon?Four Birds + OneMake a tetrahedral pyramid with these puzzle pieces.Dissecting the holey octomino into a squareBuilding a pyramid from di-spheresMaximal-volume cube net from unit square paperCombine two squares into a square with the sum of the two
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A pyramid from a square
Squaring the new yearFind smallest rectangle divided into figures so each figure has 5 neighboursDissecting a squareFair share of a square watermelon?Four Birds + OneMake a tetrahedral pyramid with these puzzle pieces.Dissecting the holey octomino into a squareBuilding a pyramid from di-spheresMaximal-volume cube net from unit square paperCombine two squares into a square with the sum of the two
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Given a square piece of paper. Cut it into 4 pieces that could be used to create a right angle pyramid - the 4 pieces are the faces of the pyramid.
geometry three-dimensional construction
asked 9 hours ago
MotiMoti
9555 silver badges18 bronze badges
$endgroup$
add a comment |
$begingroup$
Given a square piece of paper. Cut it into 4 pieces that could be used to create a right angle pyramid - the 4 pieces are the faces of the pyramid.
geometry three-dimensional construction
asked 9 hours ago
MotiMoti
9555 silver badges18 bronze badges
$endgroup$
add a comment |
$begingroup$
Given a square piece of paper. Cut it into 4 pieces that could be used to create a right angle pyramid - the 4 pieces are the faces of the pyramid.
geometry three-dimensional construction
asked 9 hours ago
MotiMoti
9555 silver badges18 bronze badges
$endgroup$
Given a square piece of paper. Cut it into 4 pieces that could be used to create a right angle pyramid - the 4 pieces are the faces of the pyramid.
geometry three-dimensional construction
geometry three-dimensional construction
asked 9 hours ago
MotiMoti
9555 silver badges18 bronze badges
asked 9 hours ago
MotiMoti
9555 silver badges18 bronze badges
edited 8 hours ago
Moti
asked 9 hours ago
MotiMoti
9555 silver badges18 bronze badges
asked 9 hours ago
MotiMoti
9555 silver badges18 bronze badges
asked 9 hours ago
MotiMoti
9555 silver badges18 bronze badges
9555 silver badges18 bronze badges
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
$begingroup$
I think you could make cuts as follows
so that $a$ and $b$ are the midpoints of the sides of the square.
Then, the three triangles surrounding the central triangle can be folded up along their adjoining edges to create a pyramid.
answered 8 hours ago
hexominohexomino
56.1k5 gold badges161 silver badges258 bronze badges
$endgroup$
add a comment |
$begingroup$
How about this cut? (With Region A as the base of the pyramid)
answered 8 hours ago
Michael MoschellaMichael Moschella
5089 bronze badges
$endgroup$
$begingroup$
Seems to be exactly the same as the answer that preceded yours by a few minutes.
$endgroup$
– msh210
8 hours ago
$begingroup$
It is, I was putting together the diagram and as I was posting I was notified the other solution was posted. I'm fairly certain this is a unique solution anyway.
$endgroup$
– Michael Moschella
5 hours ago
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
I think you could make cuts as follows
so that $a$ and $b$ are the midpoints of the sides of the square.
Then, the three triangles surrounding the central triangle can be folded up along their adjoining edges to create a pyramid.
answered 8 hours ago
hexominohexomino
56.1k5 gold badges161 silver badges258 bronze badges
$endgroup$
add a comment |
$begingroup$
I think you could make cuts as follows
so that $a$ and $b$ are the midpoints of the sides of the square.
Then, the three triangles surrounding the central triangle can be folded up along their adjoining edges to create a pyramid.
answered 8 hours ago
hexominohexomino
56.1k5 gold badges161 silver badges258 bronze badges
$endgroup$
add a comment |
$begingroup$
I think you could make cuts as follows
so that $a$ and $b$ are the midpoints of the sides of the square.
Then, the three triangles surrounding the central triangle can be folded up along their adjoining edges to create a pyramid.
answered 8 hours ago
hexominohexomino
56.1k5 gold badges161 silver badges258 bronze badges
$endgroup$
I think you could make cuts as follows
so that $a$ and $b$ are the midpoints of the sides of the square.
Then, the three triangles surrounding the central triangle can be folded up along their adjoining edges to create a pyramid.
answered 8 hours ago
hexominohexomino
56.1k5 gold badges161 silver badges258 bronze badges
answered 8 hours ago
hexominohexomino
56.1k5 gold badges161 silver badges258 bronze badges
answered 8 hours ago
hexominohexomino
56.1k5 gold badges161 silver badges258 bronze badges
answered 8 hours ago
hexominohexomino
56.1k5 gold badges161 silver badges258 bronze badges
56.1k5 gold badges161 silver badges258 bronze badges
add a comment |
add a comment |
$begingroup$
How about this cut? (With Region A as the base of the pyramid)
answered 8 hours ago
Michael MoschellaMichael Moschella
5089 bronze badges
$endgroup$
$begingroup$
Seems to be exactly the same as the answer that preceded yours by a few minutes.
$endgroup$
– msh210
8 hours ago
$begingroup$
It is, I was putting together the diagram and as I was posting I was notified the other solution was posted. I'm fairly certain this is a unique solution anyway.
$endgroup$
– Michael Moschella
5 hours ago
add a comment |
$begingroup$
How about this cut? (With Region A as the base of the pyramid)
answered 8 hours ago
Michael MoschellaMichael Moschella
5089 bronze badges
$endgroup$
$begingroup$
Seems to be exactly the same as the answer that preceded yours by a few minutes.
$endgroup$
– msh210
8 hours ago
$begingroup$
It is, I was putting together the diagram and as I was posting I was notified the other solution was posted. I'm fairly certain this is a unique solution anyway.
$endgroup$
– Michael Moschella
5 hours ago
add a comment |
$begingroup$
How about this cut? (With Region A as the base of the pyramid)
answered 8 hours ago
Michael MoschellaMichael Moschella
5089 bronze badges
$endgroup$
How about this cut? (With Region A as the base of the pyramid)
answered 8 hours ago
Michael MoschellaMichael Moschella
5089 bronze badges
answered 8 hours ago
Michael MoschellaMichael Moschella
5089 bronze badges
answered 8 hours ago
Michael MoschellaMichael Moschella
5089 bronze badges
answered 8 hours ago
Michael MoschellaMichael Moschella
5089 bronze badges
5089 bronze badges
$begingroup$
Seems to be exactly the same as the answer that preceded yours by a few minutes.
$endgroup$
– msh210
8 hours ago
$begingroup$
It is, I was putting together the diagram and as I was posting I was notified the other solution was posted. I'm fairly certain this is a unique solution anyway.
$endgroup$
– Michael Moschella
5 hours ago
add a comment |
$begingroup$
Seems to be exactly the same as the answer that preceded yours by a few minutes.
$endgroup$
– msh210
8 hours ago
$begingroup$
It is, I was putting together the diagram and as I was posting I was notified the other solution was posted. I'm fairly certain this is a unique solution anyway.
$endgroup$
– Michael Moschella
5 hours ago
$begingroup$
Seems to be exactly the same as the answer that preceded yours by a few minutes.
$endgroup$
– msh210
8 hours ago
$begingroup$
Seems to be exactly the same as the answer that preceded yours by a few minutes.
$endgroup$
– msh210
8 hours ago
$begingroup$
It is, I was putting together the diagram and as I was posting I was notified the other solution was posted. I'm fairly certain this is a unique solution anyway.
$endgroup$
– Michael Moschella
5 hours ago
$begingroup$
It is, I was putting together the diagram and as I was posting I was notified the other solution was posted. I'm fairly certain this is a unique solution anyway.
$endgroup$
– Michael Moschella
5 hours ago
add a comment |
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