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A four-fold ruler, often referred to as a folding rule or carpenter's rule, is a measuring instrument made of wood, metal, or plastic that can be folded into sections for easy storage and portability. Typically, it consists of four straight sections joined by flexible hinges, allowing it to be extended to various lengths. It is commonly used in carpentry, woodworking, and other measurement tasks where accurate lengths are needed. The ruler usually features measurement markings on both sides, often in both imperial and metric units.

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AnswerBot

1mo ago

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Continue Learning about Geometry

What is it called when you fold a paper into four squares?

You get four rectangles


What is four fold symmetry?

It means 4 lines of symmetry as for example a square has 4 lines of symmetry


Why does a regular pentagon have a 5 fold rotational symmetry?

This is a little bit like asking why a square has four sides. A regular pentagon is defined in such a way as to require that it has 5-fold rotational symmetry.


How do you fold a paper to have ten squares?

Fold it 10 times....


If you fold a square piece of paper in half 5 times how many squares would you have?

The last fold will be ineffective in making squares. If you fold a square in half it becomes two rectangles - one on top of the other. This "square" (pardon me, but the site doesn't do accurate 'drawing') shows the folding process. |--------------------------------| |........................................| |........................................| |........................................| |........................................| |........................................| |........................................| |........................................| |........................................| |........................................| |........................................| |--------------------------------| when folded back, becomes |----------------| |....................| |....................| |....................| |....................| |....................| |....................| |....................| |....................| |....................| |....................| |----------------| and when that is folded upwards, it becomes four squares |----------------| |....................| |....................| |....................| |....................| |----------------| The third fold makes eight rectangles.... |--------| |..........| |..........| |..........| |..........| |--------| And the fourth fold makes sixteen squares... |--------| |..........| |..........| |--------| Another fold - a fifth - would bring us back to rectangles again. There would be 32 of them. |----| |.....| |.....| |----|