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nerdyotter
 one year ago
What is AB?
nerdyotter
 one year ago
What is AB?

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mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0dw:1439513047942:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0\(\Large a^2 = (b + c)c\)

nerdyotter
 one year ago
Best ResponseYou've already chosen the best response.1@mathstudent55 I got an answer of 6.6 repeating. Which is pretty wrong, to say the least. What could I have done wrong?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@mathstudent55 you are wrong with the formula, with that drawing then the formula is \[a ^{2}=b(b+c)\] so with the sides a=8, b=x and c=12 then \[8^{2}=x(x+12)\] \[64=x ^{2}+12x\] \[x ^{2}+12x64=0\] by factoring we get \[(x+16)(x4)=0\] so possible solutions are x= 16 or x= 4, but x cannot be negative, so the only valid solution is x=AB=4

nerdyotter
 one year ago
Best ResponseYou've already chosen the best response.1@Natriumhydrid Thank you so much!
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