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klio [65]
2 years ago
11

Find the distance between the pair of points. (-7,4) and (2,-5)

Mathematics
1 answer:
frez [133]2 years ago
5 0

Answer:

length =  \sqrt{ {(x _{2}  - x _{1} ) {}^{2}  + (y _{2} - y _{1} )}^{2} }  \\  =  \sqrt{ {(2 - ( - 7))}^{2} +  {( - 5 - 4)}^{2}  }  \\  =  \sqrt{ {9}^{2}  +  {( - 9)}^{2} }  \\  =  \sqrt{81 + 81}  \\  \sqrt{162}  \\  = 12.7 \: units

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