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find the distance between (4,2) and (-9,-2). round to nearest hundredth

off-topic
Guest May 25, 2017

Best Answer 

 #1
avatar+7155 
+1

distance between (4, 2) and (-9, -2)   =   AB

 

From the Pythagorean theorem:   (green line)2 + (purple line)2   =   AB2

 

(4 - -9)2  +  (2 - -2)2   =   AB2

 

132  +  42   =   AB2

 

\(\sqrt{185}\)   =   AB

 

13.60   ≈   AB

hectictar  May 25, 2017
 #1
avatar+7155 
+1
Best Answer

distance between (4, 2) and (-9, -2)   =   AB

 

From the Pythagorean theorem:   (green line)2 + (purple line)2   =   AB2

 

(4 - -9)2  +  (2 - -2)2   =   AB2

 

132  +  42   =   AB2

 

\(\sqrt{185}\)   =   AB

 

13.60   ≈   AB

hectictar  May 25, 2017

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