Theory:

Geometry is one of the very old branches of mathematics that deals with the properties of various geometrical figures.
 
Did you ever wonder how the height of the pyramid in Egypt is measured?
 
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Did you ever wonder how the distance of Saturn from the Sun have been measured?
 
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Their heights and distances are determined using the idea of indirect measurements, which is based
on the principle of similarity of figures.
 
In this chapter, we will learn about the concept of similar triangles, Basic proportionality theorem, Angle bisector theorem and Pythagoras theorem and how they are applied in real life.
Reference:
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