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Mathematics 7 Online
OpenStudy (anonymous):

Explain the distance formula. Then use it to calculate the distance between A(1, 1) and B(7,­7).

Mehek (mehek14):

\(\bf{D = \sqrt{(y_2-y_1)^2+(x_2-x_1)^2}}\)

Mehek (mehek14):

that is the formula

Mehek (mehek14):

|dw:1442680083148:dw|

rishavraj (rishavraj):

http://www.purplemath.com/modules/distform.htm

Mehek (mehek14):

so plug in the numbers into the formula

OpenStudy (anonymous):

|dw:1442680584634:dw|

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