How to draw a circle-connected triangle with a geometric artboard

The specific actions are as follows:

1. Open the Geometry artboard, select the Circle tool in the left drawing bar to draw a circle, and use the Text tool to mark the points on the center and Circle, respectively, O and a.

Draw a circle using the Circle tool and Mark points as the center O Point and a point on the circle respectively

2. Select Point A on the center O and Circle, find the transform in the menu bar, and select Rotate.

Select the Rotate command in transform

3. In the Rotation settings box, set the angle of rotation, where set is 360/3 (positive triangle). If the rotation center is not point O, we also need to click on the next point O.

Set rotation degree and rotation Center in rotation window

4. After clicking the rotation we get the point a about the point o after the rotation point, marked as point B. Select the Segment tool to connect AB.

Mark the rotation point as point B and connect AB with the Segment tool

5. Select Point A, choose the iteration tool in the Transform menu, the original image is point A, the first instance is point a ' (Johe image is "?" and you need to click on point B).

Set the initial image and iteration times in the Iteration window and click the iteration

6. The system default iteration count is 3; When you select an iteration, the following pattern appears, marking the third point as C. The inner-right triangle of the circle is now drawn.

Example of an internal triangle of a circle drawn with an iterative command

The inner polygon of a circle can be plotted in the same way, except that different rotation degrees and iterations are required. The number of iterations can be increased by increasing the number of iterations by pressing "+" on the keyboard, or you can choose to increase the iterations in the display. When we have reached the number of iterations we need, we can get the round polygon by iteration.