How to make a picture with rectangular paper at 150 and 75 degrees

1. First fold a square. 2. Fold the square in half [edge to edge] to form a 1 / 2 square (i.e. rectangle). Each point is ABCD, and ab is the long side. 3. Take point a as the center, fold AB side to CD side, so that point B falls on the edge of CD. At this time ∠ BEC = 30 degrees, according to the right triangle, if the angle side is equal to half of the hypotenuse side

How to fold the angle of 75 degrees and 150 degrees with rectangular paper? It's better to draw a figure

Can rectangular paper be folded into rectangular paper at an angle of 75 degrees or 150 degrees?

75=45+30；150=90=60,OK?

Make a 75 degree angle with paper
The folded paper is rectangular

Rectangle ABCD, (AB > CD)
Fold in half to make AB coincide with CD, and mark the crease as a straight line EF,
Fold BC to the rectangle, so that point B is still at point B, and point C falls on the straight line EF. The crease is marked as straight line BG
Fold BC to the rectangle, so that point B is still at point B, and point C falls on line BG. The crease is marked as line BH
Then ∠ ABH = 75 degrees
Draw a picture and you'll understand it. It's hard to say. I don't know if you understand it?

How to make a picture with rectangular paper at 150 and 75 degrees