Question 1168590
The one leg,  (2.5)x
The other leg,  x


Pythagorean Theorem Formula for your 15 cm hypotenuse:
{{{(2.5x)^2+x^2=15^2}}}
OR since you wanted as "FRACTIONS", then
{{{((2&1/2)x)^2+x^2=15^2}}}

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