Question

Find the distance between points 5,9 and (7,-7) using the distance formual

Answer 1

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Formula to find Distance:
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$\text{Distance = } \sqrt{X2-X1)^2 + (Y2-Y1)^2}$

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Find Distance between (5, 9) and (7, -7):
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X2 = 5, X1 = 7, Y2 = 9, Y1 = -7, therefore,

$\text{Distance = } \sqrt{(9+7)^2 + (5-7)^2}$
$\text{Distance = } \sqrt{(16)^2 + (2)^2}$
$\text{Distance = } \sqrt{256 + 4}$
$\text{Distance = } \sqrt{260}$
$\text{Distance = } 16.12 \text{ units}$

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Answer: 16.12 units
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