Mo2men wrote:
genxer123 wrote:
Bunuel wrote:
. . .
The inside triangle is a 3-4-5 right triangle - its hypotenuse is5.
\(x^2 + y^2 = 5\)
The highlighted part should equal to (hypotenuse)...it should be 25.
Mo2men , nice catch. I was thinking of 5 as a fixed value derived from other fixed values, such that 5 =\(c^2\) . I missed a step.
5 =\( (\sqrt{c^2} ) = (\sqrt{5^2} ) =\sqrt{25} \)
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