anonymous
  • anonymous
can someone please explain the pythagorean theory to me PLEASE?
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
sin^2 + cos^2 = 1
anonymous
  • anonymous
http://en.wikipedia.org/wiki/Pythagorean_theorem It's really not that hard.. Just a^2 + b^2 = c^2
anonymous
  • anonymous
okay so if they gave me the numbers a=5, b=3, and c=7, and thn they ask me if the triangle was a right triangle, how would i figure that out?

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anonymous
  • anonymous
You would then need the sin/cos stuff... you taking trig yet?
anonymous
  • anonymous
no! i'm only in algebra 1, and in 8th grade!
anonymous
  • anonymous
they definitely didn't teach me that yet!
anonymous
  • anonymous
You don't need trig the c^2 bit is always the hypotenuse which is the longest side. so in that example. 3^2 = 9 5^2=25 9 +25 = 34 7^2 = 49 so a^2 + b^2 isn't equal to c^2 so it isnt right angled
anonymous
  • anonymous
thank you so very much!
anonymous
  • anonymous
No problem :)
anonymous
  • anonymous
so if the problem was 1^2+9^2=c^2 then the answer would be radical 82?

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