Question

How do I solve this problem?
Find the exact value of the length of the side of a 45-45-90 right triangle with a hypotenuse of 15 miles.

Answer 1

HI!!

Answer 2

divide by the square root of two

Answer 3

to find the diagonal if you knew the legs, you would multiply by \(\sqrt2\)
to find the legs if you know the diagonal, you divide by \(\sqrt 2\)

Answer 4

Oh, okay. Thank you! Is this just for special triangles or whatever, orrr...?

Answer 5

it is for 45 - 45 -90 because it is like the diagonal of a square

Answer 6

\[a^2+a^2=h^2\\
2a^2=h^2\\
\sqrt{2a^2}=h\\
a\sqrt2=h\]

Answer 7

Okay.

Answer 8

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