anonymous
  • anonymous
DEF is a right triangle. A. True B. False (Picture below.)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
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anonymous
  • anonymous
Did you try using the Pythagorean Thereom?
anonymous
  • anonymous
False. |dw:1352329866882:dw|

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anonymous
  • anonymous
actually @nicolebears there are some right triangles that you will see that don't have the square in the corner
anonymous
  • anonymous
and if you add 25, 27, and 48 they don't equal 90
anonymous
  • anonymous
why would they equal 90?
anonymous
  • anonymous
right triangle equal 90 degrees
anonymous
  • anonymous
you would have to use the Law of Cosine because you are given all 3 lengths
anonymous
  • anonymous
those are the side lengths though and you don't just add them up to get 90 degrees
anonymous
  • anonymous
@marcoduuuh have you learned Law of Cosine?
anonymous
  • anonymous
Noo! I didn't!
anonymous
  • anonymous
So the answer would be True right?
anonymous
  • anonymous
@kaylific
anonymous
  • anonymous
umm im not sure i did the law of cosine and i got that it equaled 135 degrees
anonymous
  • anonymous
I'm not sure lol
anonymous
  • anonymous
Ahhh. D:
bakonloverk
  • bakonloverk
i think its true
anonymous
  • anonymous
Thanks!
anonymous
  • anonymous
It was false. Thanks everyone! (:

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