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Find the distance between the pair of points. Give an exact answer and a three-decimal-place approximation

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1 Answer

Start with the distance formula:
 
√[(x2-x1)2+(y2-y1)2]
 
Plugging your x and y values in you get:
 
√[(-8.3-2.8)2+(9.6-(-1.8))2]
 
Simplify inside before you square:
 
√[(-11.1)2+(11.4)2]
 
√(123.21)+(129.96)
 
√(253.17)
 
15.911

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