ANSWER:

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Explanation:

                                                   CLASS 7  

              CHAPTER 6 SOFTWARE APPLICATIONS ( GEOGEBRA)

                                     QUESTION ANSWSERS  

Q 1 What is Open Source Software?

Ans 1- Open source software is GENERALLY available free of cost on internet. We can edit source code of open source software.

Q2. What is Geogebra ?

Ans 2- Geogebra is an open source and DYNAMIC software.

It is used to make geometrical shapes in computer. It is available free of cost on internet.

Q3- DRAW diagram of Geogebra Window.

Ans 3.-

Q4- Write the tools used to make a triangle and measure sum of its interior angle in Geogebra?

Ans 4-    Tools of Geogebra used are-

a) Point tool

b) Line segment tool

c) Polygon tool

d) Angle tool

e) Input box

Q5 How to save Geogebra file?

Ans 5 – To save file in Geogebra , click on File and go to save option. Geogebra file will be saved with .gbb extension.

Q 6-  Write name of tools of geogebra used to construct equilateral triangle using geometrical properties?

Ans 6-  tools used are-

a) Line segment tool

b)  Intersect tool

c) Circle with a center

d) Point tool.

Q7 -. What are tools of Geogebra used to construct a square using geometrical properties?

Ans 7-   Tools used are-

a) Line Segment tool

b) Perpendicular tool

c) Intersect tool

d) Circle with a center

e) Point tool

Q 8- Name the tools-

Ans 8 -  a) select Tool

               b) Point tool

               c) Line tool

              d) Line Segment Tool

              e) Angle tool

hope this is helpful to u