+0  
 
0
29
1
avatar+332 

https://vle.mathswatch.co.uk/images/questions/question815.png

 May 20, 2020
 #1
avatar+20883 
0

You can either use the Pythagorean Theorem or the distance formula (which is just the 

Pythagorean Theorem adapted for coordinates:

 

d  =  sqrt( (x2 - x1)2 + (y2 - y1)2 )  =  sqrt( (4 - -4)2 + (3 - -2)2 )

                                                     =  sqrt( 82 + 52  =  sqrt( 89 )  =  .... 

 May 20, 2020

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