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Mathematics 21 Online
OpenStudy (anonymous):

vertices @ saifoo.khan

OpenStudy (anonymous):

ok trutfully idk what to do after that do you?

OpenStudy (saifoo.khan):

IM here.

OpenStudy (saifoo.khan):

lol, Ok. Let me try to help. till where u got that ques?

OpenStudy (anonymous):

right where we stopped when you said to use pythagoras and i was like and do what?

OpenStudy (saifoo.khan):

Give me those Lengths which u got.

OpenStudy (anonymous):

A= (2,1) , B = (4,0) , C= ( 5, 7 )

OpenStudy (anonymous):

sqrt{5}, 5sqrt{2}, 3sqrt{5}

OpenStudy (saifoo.khan):

Label them.

OpenStudy (saifoo.khan):

ok, which one is Pythagoras?

OpenStudy (anonymous):

AB= sqrt(5) , BC= sqrt(50) , CA = sqrt( 45)

OpenStudy (anonymous):

AB^2 + CA^2 = BC ^2

OpenStudy (anonymous):

done

OpenStudy (saifoo.khan):

u got the answer Purple.

OpenStudy (anonymous):

(2,1) (4,0)= sqrt5 (4,0) (5,7) = 5sqrt 2 (2,1) (5,7) = 3sqrt5

OpenStudy (anonymous):

best to not simplify them

OpenStudy (anonymous):

because then youn can automatically that 5 +45 = 50

OpenStudy (anonymous):

can see*

OpenStudy (anonymous):

oh ok...

OpenStudy (saifoo.khan):

Yeah, same here. I also dont simply them! ^.^

OpenStudy (anonymous):

thanks SAIFOO AND ELECE!

OpenStudy (saifoo.khan):

uw.

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