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| style="width: 50%;" |Step 10 - Continue by drawing the right angle. Do this by drawing a perpendicular line through point A. Choose the perpendicular line tool, click on point A first and then on the line.
| style="width: 50%;" |Step 10 - Continue by drawing the right angle. Do this by drawing a perpendicular line through point A. Choose the perpendicular line tool, click on point A first and then on the line.
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| style="width: 50%;" |[[File:Geogebra 11 perpendicular line through point A.png|450px]] [https://commons.wikimedia.org/wiki/File:Geogebra_11_perpendicular_line_through_point_A.png Image]
| style="width: 50%;" |[[File:Geogebra 11 perpendicular line through point A.png|450px]]
| style="width: 50%;" |[[File:Geogebra 12 Circle with Center and Radius.png|450px]] [https://commons.wikimedia.org/wiki/File:Geogebra_12_Circle_with_Center_and_Radius.png Image]
| style="width: 50%;" |[[File:Geogebra 12 Circle with Center and Radius.png|450px]]
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| style="width: 50%;" | Continue
| style="width: 50%;" | Continue
| style="width: 50%;" |Step 11- To mark the third corner of the triangle you use one of the circle tools, Circle with Centre and Radius.
| style="width: 50%;" |Step 11- To mark the third corner of the triangle you use one of the circle tools, Circle with Centre and Radius.
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| style="width: 50%;" |[[File:Geogebra 13 Numbers of Radius.png|450px]] [[File:Geogebra_13_Numbers_of_Radius.png]]
| style="width: 50%;" |[[File:Geogebra 13 Numbers of Radius.png|450px]]
| style="width: 50%;" |[[File:Geogebra 14 Intersect Two Objects.png|450px]] [[File:Geogebra_14_Intersect_Two_Objects.png]]
| style="width: 50%;" |[[File:Geogebra 14 Intersect Two Objects.png|450px]]
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| style="width: 50%;" |Step 12 - Click on the point B and fill in the length of the hypotenuse as radius.
| style="width: 50%;" |Step 12 - Click on the point B and fill in the length of the hypotenuse as radius.
| style="width: 50%;" |Step 13 - Choose the tool Intersect Two Objects, click on the circle and the perpendicular line. The point in the intersection is the third corner of the triangle.
| style="width: 50%;" |Step 13 - Choose the tool Intersect Two Objects, click on the circle and the perpendicular line. The point in the intersection is the third corner of the triangle.
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| style="width: 50%;" |[[File:Geogebra 15 Polygon.png|450px]] [[File:Geogebra_15_Polygon.png]]
| style="width: 50%;" |[[File:Geogebra 15 Polygon.png|450px]]
| style="width: 50%;" |[[File:Geogebra 16 Show Object.png|450px]] [[File:Geogebra_16_Show_Object.png]]
| style="width: 50%;" |[[File:Geogebra 16 Show Object.png|450px]]
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| style="width: 50%;" |Continue
| style="width: 50%;" |Continue
| style="width: 50%;" |Step 15 - The perpendicular line and the circle, even the points do not need to be visible or seen now, you only want to show the triangle. Hide an object by right-clicking the object and uncheck Show Object by clicking on it.
| style="width: 50%;" |Step 15 - The perpendicular line and the circle, even the points do not need to be visible or seen now, you only want to show the triangle. Hide an object by right-clicking the object and uncheck Show Object by clicking on it.
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| style="width: 50%;" |[[File:Geogebra 17 Show Label.png|450px]] [[File:Geogebra_17_Show_Label.png]]
| style="width: 50%;" |[[File:Geogebra 17 Show Label.png|450px]]
| style="width: 50%;" |[[File:Geogebra 18 Object Properties.png|450px]] [[File:Geogebra_18_Object_Properties.png]]
| style="width: 50%;" |[[File:Geogebra 18 Object Properties.png|450px]]
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| style="width: 50%;" |Step 16 - The lengths of the sides in the triangle can be shown. Right-click one of the sides and choose Object Properties in the menu which shows up. Check the Show Label field and choose Value from the drop down list.
| style="width: 50%;" |Step 16 - The lengths of the sides in the triangle can be shown. Right-click one of the sides and choose Object Properties in the menu which shows up. Check the Show Label field and choose Value from the drop down list.
| style="width: 50%;" |Continue
| style="width: 50%;" |Continue
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| style="width: 50%;" |[[File:Geogebra 19 Area of the angle.png|450px]] [[File:Geogebra_19_Area_of_the_angle.png]]
| style="width: 50%;" |[[File:Geogebra 19 Area of the angle.png|450px]]
| style="width: 50%;" |[[File:Geogebra 20 Angle Moving.png|450px]] [[Geogebra_20_Angle_Moving.png Image]]
| style="width: 50%;" |[[File:Geogebra 20 Angle Moving.png|450px]]
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| style="width: 50%;" |Step 17 - To show the size of the angles use the Angle tool. Click on each vertex of the triangle. The order in which you click the vertices must be in the clock wise direction. In this figure click in this order BAC, CBA, and ACB.
| style="width: 50%;" |Step 17 - To show the size of the angles use the Angle tool. Click on each vertex of the triangle. The order in which you click the vertices must be in the clock wise direction. In this figure click in this order BAC, CBA, and ACB.
! Method of installation !! Steps
! Method of installation !! Steps
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| From Ubuntu software Centre || Steps - Applications → Ubuntu soft-ware center → search Geogebra → Install.
| From Ubuntu software Centre || Steps - Applications → Ubuntu Soft-ware centre → search Geogebra → Install.
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| From Terminal || Steps - Applications → Accessories → Terminal.
| From Terminal || Steps - Applications → Accessories → Terminal.
Open terminal (Ctrl+Alt+T) and then type below command
Open terminal (Ctrl+Alt+T) and then type below command
“sudo apt-get install geogebra”
“sudo apt-get install Geogebra”
Press Enter key and it will ask your Ubuntu password, type your ubuntu password and then press “Enter”.
Press Enter key and it will ask your Ubuntu password, type your Ubuntu password and then press “Enter”.
It will will show how space it will from storage space and some other details, again press “Enter” key.
It will will show how space it will from storage space and some other details, again press “Enter” key.
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| From the web || Steps - Web download , Web based registation
| From the web || Steps - Web download , Web based registration
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| Web based registration || Steps
| Web based registration || Steps