The operation process of adding right angle symbols to right angles in Geometry Sketchpad

php Editor Xigua will reveal to you the strategy for unlocking all the skills in "Winter Rhapsody". This character plot simulation game is based on a small town story and incorporates Japanese elements. Players will face the challenge of in-depth puzzle solving, and skill operation becomes the key. The game is full of interesting and exciting content, and the rich skills and gameplay give players a comprehensive gaming experience!

1. Draw a right angle

Use the [Line Segment Tool] to draw the line segment AB, select the point A and the line segment AB, and execute [Construction]-[Perpendicular Line] to construct a line that passes through the point A and is perpendicular to the line segment. The vertical line of AB.

2. Add a right-angled symbol

Click the [Marking Tool] on the left sidebar, move the mouse to the right-angled vertex, click once, and use the marker pen to move from outside to Drag inside, and a right-angle symbol will automatically appear.

To mark the required direction of the right angle symbol, draw it by moving the marker pen from one side of the corner to the other.

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