How to draw a cube using the oblique method on the geometric sketchpad

Open the geometric sketchpad and use the [Line Segment Tool] to draw square ABCD.

Draw the midpoint M of line segment AB, and then rotate point M by 45 degrees with point A as the center to obtain point M’.

Select points A and M’ in sequence, and then perform the [Mark Vector] operation. Select points B, C, and D in turn, and then translate them according to the marked vectors to obtain points B’, C’, and D’.

Use the [Line Segment Tool] to connect the line segments to draw the edges of the cube.

Hide point M and rename point M’ to obtain the cube as shown in the figure.

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