Yogi: 1 revision imported

2017-04-26T10:46:54Z

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Yogi: added Category:Explore an application using HotCat

2017-04-11T05:17:29Z

added Category:Explore an application using HotCat

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===Introduction===
Geogebra is an interactive geometry , algebra, statistics and calculus application, intended for learning and teaching mathematics from primary school to university level. Geogebra’s tools enable us to produce new objects using pointing device. They can be activated by clicking on the corresponding buttons of the Toolbar. This application is free and licensed under the GNU Public License.

=== Given sketch ===
# In this page, we will learn how to construct a right triangle of base 5 units and hypotenuse 8 units.
# We will also see how to use slider how to make this construction dynamic.
# Lastly we will use the 3D view to visualize triangles (and associated shapes)

===Drawing segments and lines===
<gallery mode="packed" heights="200px" caption="Getting familiar with the tool bar">
File:Geogebra 2 New point.png|Drawing points, line segment and rays
File:Geogebra 3 segment between Two points.png|Drawing a segment between two points
File:Geogebra 4 Ray through two points.png|Draw a ray through two points
</gallery>

===Making a right angled triangle===
<gallery mode="packed" heights="200px" caption="Drawing a right triangle">
File:Geogebrasketch1.png|Defining a segment of given length, AB
File:Geogebrasketch2.png|Drawing a perpendicular at point A, for the right angle
File:Geogebrasketch3.png|Drawing a circle with centre at point B and radius as the hypotenuse
File:Geogebrasketch4.png|Intersect the circle and the perpendicular
File:Geogebrasketch5.png|Join the points, right click to hide the circle and perpendicular line
File:Geogebrasketch6.png|Complete the right triangle
</gallery>

===Using a slider to animate a right triangle===
<gallery mode="packed" heights="200px" caption="Making the triangle dynamic">
File:Geogebrasketch8.png|Defining the base and hypotenuse as sliders
File:Geogebrasketch9.png|Constructing with the slider
</gallery>

===Seeing the triangle in 3D ===
[[File:Geogebrasketch10.png|300px|right]]You can check the 3D graphics in the View option to see the triangle in 3D space. You can visualize that a triangle is a planar object. By adding altitude you can extend this to a triangular prism. {{clear}}

===Additional information===
[[Learn_Geogebra|Learn Geogebra]]

[[Category:Explore an application]]

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Yogi: added Category:Explore an application using HotCat