Texas Instruments TINSPIRE Teacher Software Guidebook - Page 523

Tool Press · after these steps: Polygon 1. On the work area, click once to establish the first point of the polygon. 2. Move the location for the second point and click the work area a second time. The side of the polygon is shown as a dotted line. 3. Move to the location of the next point. As you move the pointer, the polygon's sides display as dotted lines. 4. Continue to move and click the work area to create as many sides as needed. After you press · to complete the polygon, the sides display as solid lines. Regular Polygon 1. Click once on the work area to establish the center point of the regular polygon. 2. Move the pointer away from the center point and click on the work area again to establish the first vertex and radius. A 16-sided regular polygon is formed. The number of sides displays near the center point in brackets; for example, {16}. - To reduce the number of sides, select a vertex and move the pointer in a clockwise motion around the perimeter of the polygon. - To increase the number, select a vertex and move the pointer in a counter-clockwise motion. The number of sides of the polygon displays as you move the pointer. Circle arc 1. Click once on the work area to establish the first point of the arc. 2. Move in the direction you want the arc to take and click on the work area again to establish the second point. 3. Move away from the second point to establish the length of the circle arc and click on the work area a third time. An arc displays. Creating a shape 1. From the Shapes menu, select the tool for the shape you want to draw. Graphs & Geometry 511