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const2013 [10]
3 years ago
8

Find the distance between points P(5,8) and Q(1,7) to the nearest tenth

Mathematics
1 answer:
morpeh [17]3 years ago
3 0

Answer:

length =  \sqrt{ {(x _{1} - x_{2} )}^{2} +  {(y _{1}  - y_{2} })^{2}  }  \\  =  \sqrt{ {(5 - 1)}^{2}  +  {(8 - 7)}^{2} }  \\  =  \sqrt{16 + 1 }  \\  =   \sqrt{17}  \\ length = 4.1 \: units

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