anonymous
  • anonymous
In a 45°- 45°- 90° right triangle, the hypotenuse is 5 cm. How long are the legs?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@RadEn
cgreenwade2000
  • cgreenwade2000
This is a pretty easy one, do you know the Pythagorean Theorem?
anonymous
  • anonymous
|dw:1358277190112:dw|

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anonymous
  • anonymous
Since it's isoceles, the two legs have the same length. Now you can use pythagorus: x^2+x^2 = 5^2, solve for x :)
RadEn
  • RadEn
|dw:1358277125983:dw|
RadEn
  • RadEn
in other words, x * sqrt(2) = 5 solve for x
anonymous
  • anonymous
OK but coming up with that is much more difficult than simply using Pythagorus

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