Tutorial on how to find the tangent of an acute angle using geometric sketchpad

Draw acute angles. Open the geometric sketchpad, select the [Line Segment Tool] on the left sidebar, draw an acute angle ABC in the working area of ​​the sketchpad, and

measure the acute angle angle. Use the move tool to select points A, B, and C in sequence, click the [Measurement] menu in the upper menu bar, and select the [Angle] command from its drop-down option, thus getting the degree of ∠ABC,

Calculate tangent value. After knowing the degree of the acute angle, click the [Data] menu in the upper menu bar, select the [Calculate] command in its drop-down option, select [tan] under the function option in the pop-up dialog box, and click the drawing area with the mouse in the brackets The measurement value in is as shown in the figure, and then click OK to get the tangent value of the acute angle.

After the above calculation, the tangent value of the acute angle ∠ABC can be displayed in the working area of ​​the drawing board, as shown in the figure, which is the calculated tangent value.

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