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GeoGebraGeoGebra Classroom

the SLIDER Tool

Activity Goal

The goal is to be to create a triangle and adjust the angles with the Slider tool. See below for activities and directions. DIRECTIONS: 1. Create a Segment AB. 2. Under MEASURE TOOLS, choose the Slider tool, then a location for it. 3. A box will open up. Select Angle; set min at 0 degrees, set max at 90 degrees, set increment at 1. Slider   should be named = 45 degrees. 4. Under MEASURE TOOLS, select Angle with Given Size. Then click point B and then point A . (angle at A). 5. After box opens up, replace 45 degrees with . May have to activate the keyboard in the Steps menu. 6. Construct a ray AB'. 7. Using the Move tool, adjust the slider which will change the angle of A.