distans between p(-1,1) and Q(5,-7)
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
PQ=√(x1-x2)^2+(y1-y2)^2
=>PQ=√(-1-5)^2+{1-(-7)}^2
=>PQ=√(-6)^2+(8)^2
=>PQ=√36+64
=>PQ=√100
=>PQ=10 units
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