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Circles A and B have radii 5 and 7 respectively, and the distance between their centers A and B is 5. If the two circles intersect at points M and N, MN = a sqrtof 6. What is a+b?

Mathematics
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I can draw it or visualize, but then i got stucked up in the diagonals thingy, in which I know there is a way in finding it.. i just want an assistance. Please helpppp
can i ask u 1 thing...wat is exactly a and b?
@kmeds16 can u upload a pic of the problem?

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Other answers:

@shrutipande9 the measure of MN is
@shrutipande9 is a square root of b. and if u add and b, it will result to 10
MN is sqr rt of b or 6?
a sqrt of b = MN a + b = 10 the distance between the centers: 6
ohhh..now i get it...wait
@shrutipande9 i drew it and will attach the file. from the way i understood it
@shrutipande9 i understood it like this (file). Red line = MN. Green line = 6.
1 Attachment
@shrutipande9 so it will result looking like a kite right? in which we have 6 as diagonal1 and the diagonal2 is missing. I am confused on how to find the other diagonal, there is a propery of something for this
ya u r right wid d diag...i m just tryin 2 remember d formula....:P
as what i can remember also, are of the kite = d1d2 divide by 2
but for this to be a kite the diagonals need 2 be perpendicular bisectors....and we cannot just deduce it from that...
it is perpendicular =))
its given?
it is really perpendicular XD from what we can see, because of theintersection of the two circles
no..we cannot deduce it just by seeing...wait ill get u a better helper...:P @divu.mkr
@shrutipande9 ahhh ye right i get it, so, how can we get the other diagonal?? i have the answer here, it is 10
a plus be is 10
well they are perpendicular...you need not to derive it just remember it
familiar with trigo?
yeah
@divu.mkr YEAHHHH =)))
|dw:1390642954599:dw|
@divu.mkr hey
yep
??
@divu.mkr |dw:1390642954599:dw|?? =))
its looking perfect in my browser... :D
lemme get a snap of it
huhu it doesnt on mine :*(
i can only see |dw:1390642954599:dw| huhuhuhuhu
1 Attachment
is it ok now?
i can see it now
@divu.mkr i have a question
yep..ask
how can you find the other diagonal, given diagonal 1 and all the sides??
Am I missing something? Is the attached graph accurate?
1 Attachment
ya it is, wait, i will attach something regarding to my question
So MN=10
I understood inside details (i removed the circle) like this: @eliassaab. i know that it has something to do with kites and diagonals and properties and etc etc but i am rly confused.
1 Attachment
@eliassaab i have to find MN, the red line. The answer is in the form of MN = a sqrtof b and a + b = 10
blue line = 6
@eliassaab heyyy =)))
What is the relation between your original question and this graph?
@eliassaab from this
1 Attachment
But the distance between the centers of the two circles is not 5. Your original question is not 100% correct. This one is different.
@eliassaab oh my god i am so sorry,the original is 6. i am very sorry
Circles A and B have radii 5 and 7 respectively, and the distance between their centers A and B is 6. If the two circles intersect at points M and N, MN = a sqrtof b. What is a+b? ORIGINAL QUESTION. @eliassaab sorry! hahaha
@eliassaab heyyy =)))
I will do it for you after lunch.
@eliassaab ahm okay =)) I will wait for your reply! :D i will really do :)
Here is a quick solution
1 Attachment
@eliassaab ahh! Ok i get it! Thank you!! :)
NP

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