Foldable triangles have many applications, ranging from space structures to collapsible furniture. In the first method, a generic triangle with positive real side lengths is shown to be foldable inward and outward by adding a pin joint at a specific location to one of the sides. The second ...
1.Fold the paper along the diagonals. 2.Push each side of the paper inwards. 3.Fold one corner(角)over to the top.Then fold the other corner. 4.Fold the corners again. 5.Then fold the other two little corners. 6.Turn it over. You can see a big triangle(三角形). Fold the corn...
解析 There can be more than one way to fold. Find the relationship between the sides and angles of shapes to fold this triangle into a rectangle.反馈 收藏
Step 1: Start with a square piece of paper. Step 2: Fold(折叠) the paper in half to make a triangle. Step 3: Fold the paper triangle in half. Step 4: Fold the paper triangle again, overlapping(重叠) the left-hand part as shown(如图所示). ...
Step 7: Frog Mouth to Diamond Fold 3 More Images After you have both halves of the triangle pulled in pull them back out and lift up the top piece of paper. Next, lift up the top front corner and hold down the other three front corners. Pull the top corner up. It should look look...
Bring the top point down to the pinch mark you just made. 6 Starting from the bottom center, fold the right bottom edge up to the right side of the triangle flap you just created. 7 Starting from the same bottom crease point bring the left bottom edge up to the left side of th...
The third step is to fold the square piece of paper in half to make a triangle.(二)阅读材料,回答下面的问题。1. What tools do you need to make a simple paper cutting?2. When can you see many paper cuttings in many parts of our country?
根据“Materials”下面的“White paper and scissors”可知需要白纸和剪刀。故选C。 2.细节理解题。题干意为:制作纸雪花的第二步是什么?根据“◆Fold paper in half diagonally(对角线地) to make a triangle(三角形).”可知第二步是把纸按照对角线折成三角形。故选B。 3.细节理解题。题干意为:下面哪一...
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Step 15: Push Down the Triangle Use the tip of your finger to push down the triangle formed all the way so it tucks behind the rectangle on the top. Step 16: Fold the Triangles Then Tuck It Away Fold the triangles on both sides the tuck it behind the first layer of paper then fold...