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Problem #3

3: Find x
Solution: x = 5
a2 + b2 = c2
a=3
b=4
c=x
32 + 42 = x2
9+16 = x2
25 = x2
sqrt(25) = x
5 = x
x = 5

:-)

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n8man8 years ago
X can also be -5
zachninme (author)  n8man8 years ago
Lengths can't be negative.
n8man zachninme8 years ago
You never mentioned lengths.
zachninme (author)  n8man8 years ago
x was the side-length of a "3-4-5" right triangle.
n8man zachninme8 years ago
Never said that
zachninme (author)  n8man8 years ago
This was in response to the group photo.
n8man zachninme8 years ago
What group photo?
zachninme (author)  n8man8 years ago
The photo of this group, circa December 23rd, 2006.
https://www.instructables.com/group/math/
whatsisface8 years ago
Thats a standard Pythag triangle isn't it?
randName10 years ago
Well, the question did not state "give the value of x".
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