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Mathematics 14 Online
OpenStudy (shaleiah):

Medal/Fan

OpenStudy (shaleiah):

OpenStudy (shaleiah):

@kittiwitti1

OpenStudy (kittiwitti1):

Si? Que necesitas a te ayudo?

OpenStudy (kittiwitti1):

Are you familiar with the Distance Formula?

OpenStudy (scoobydo):

B or D

OpenStudy (kittiwitti1):

No direct answers please. @scoobydo \[\text{given two points}(x_{1},y_{1}),(x_{2},y_{2})\]\[d=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\]

OpenStudy (shaleiah):

Hang on

OpenStudy (shaleiah):

12

OpenStudy (photon336):

Can you show what work you've done? @shaleiah

OpenStudy (kittiwitti1):

^

OpenStudy (shaleiah):

Oops I made a typo. :(

OpenStudy (kittiwitti1):

No, you got it right, but we want to see your work to make sure you did it the right way (:

OpenStudy (shaleiah):

\[(-4--4)^2+(-1--4)\]

OpenStudy (kittiwitti1):

This is for segment AB, did you get the distance equations for the other two segments?

OpenStudy (shaleiah):

(-4--1)^2+(0--4)=13

OpenStudy (kittiwitti1):

wait... you didn't square root

OpenStudy (kittiwitti1):

Sorry, I missed that. Did you square root each equation before solving? & both parentheses are squared

OpenStudy (kittiwitti1):

|dw:1458071272352:dw|Did you do this?

OpenStudy (kittiwitti1):

Sorry, those are supposed to be exponents of 2. My mouse drawing sucks lol

OpenStudy (shaleiah):

It gives me -9

OpenStudy (kittiwitti1):

I don't think that is the result after square root... did you use the square root?

OpenStudy (shaleiah):

\[\sqrt{(-4--4)^2+(-1--4)^2}=3\]

OpenStudy (kittiwitti1):

Yes! ☺

OpenStudy (kittiwitti1):

Now if you do that for the other two segments/sides, you should get 4 and 5 (leg and hypotenuse, respectively), which adds up to 3+4+5 = 12. (Did you get that?)

OpenStudy (shaleiah):

Yes

OpenStudy (kittiwitti1):

Okay, then you're all set ☺ Just remember, when doing the Distance Formula, to square the parentheses and square root everything! ^-^ Good luck on your studies then ♣

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