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Problem

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Textbook Expert
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29 Dec 2021

Given information

Given  figure shows two circles    and   of radius 1 that touch at    is a common tangent line;    is the circle that touches   , and    is the circle that touches   , and    is the circle that touches     and 

         

Step-by-step explanation

Step 1.

To solve this problem we will try and find enough values of      to find a pattern Looking at the circles and using Pythagoras Theorem for the first circle we write:
 
 
 
Expanding the equation:
 
 
Substitute and solve:
 
 
 

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