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Excalibur0126
 one year ago
Explain the distance formula. Then use it to calculate the distance between A(1,1) and B(7,7).
Excalibur0126
 one year ago
Explain the distance formula. Then use it to calculate the distance between A(1,1) and B(7,7).

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marigirl
 one year ago
Best ResponseYou've already chosen the best response.2You are basically trying to find the length of a line.dw:1441416346289:dw

marigirl
 one year ago
Best ResponseYou've already chosen the best response.2the same idea also applied to the y axis too

marigirl
 one year ago
Best ResponseYou've already chosen the best response.2dw:1441416455284:dw

marigirl
 one year ago
Best ResponseYou've already chosen the best response.2and finally we use pythagoras theorem (pythagoras formula to find that diagonal line)

marigirl
 one year ago
Best ResponseYou've already chosen the best response.2Shall we try now; distance between A(1,1) (x1,y1) and B(7,7) (x2,y2)

Excalibur0126
 one year ago
Best ResponseYou've already chosen the best response.0So it would be 6^2+8^2 which is 28. And it would be the square root of 28?

marigirl
 one year ago
Best ResponseYou've already chosen the best response.2make sure you use brackets if you are using your calculator :) now add them both up and dont forget to take the square root!

Excalibur0126
 one year ago
Best ResponseYou've already chosen the best response.0Okay, I think I get it now, thank you :)

Excalibur0126
 one year ago
Best ResponseYou've already chosen the best response.036+64=100 and the square root of 100 is 10. So the third side would be 10.
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