The specific method of drawing a 5 cm long line segment on the geometric sketchpad

php editor Youzi is a platform focused on sharing PHP programming technology and resources, providing a rich learning and communication space for the majority of PHP developers. In the online world, PHP has always been a highly respected server-side scripting language and is widely used in website development and application writing. In this article, we will explore how to draw a 5 cm long line segment using Geometry Sketchpad.

Operation method 1. Use the translation method to enter the specified distance

Execute the translation command. Select the point tool in the toolbox on the left and click on the blank space with the mouse to get a point, recorded as A, as an endpoint of the line segment. Select point A, select the Move Arrow tool in the toolbox on the left, click the [Transform] menu, and select [Translation] to open the [Translation Dialog Box]. Enter 5 in the [Amount] column, the angle is 0, and click [OK]. In this way, a new point appears to the right of point A, marked as B.

Construct line segment AB. Use the move tool to select points A and B, click the [Construction] menu on the upper menu bar, and select the [Line Segment] command from its drop-down option. This will result in line segment AB with a length of 5 cm.

Operation method two, use parameters to construct a 5 cm line segment

Create new parameters and mark the distance. Execute [Data] - [New Parameter], set the value to 5 in the pop-up dialog box, select [Distance] as the unit, click [OK], a parameter t will appear in the upper left corner of the drawing board; select the moving arrow tool in the left toolbox , select parameter t, click the [Transform] menu, and select the [Mark Distance] command in its drop-down menu.

Translate point A by the marked distance and construct a line segment. Select point A, click the [Transform] menu, select [Translation] in its drop-down menu, and the [Translation Dialog Box] will open. Change the angle to 0, click [OK], and you will get another point, recorded as B. . Select points A and B, click the [Construction] menu, and in its drop-down menu, select [Line Segment], thus obtaining a line segment AB with a length of 5 cm.

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