Question 250753
the hypotenuse of an isosceles right triangle is 18 centimeters. find the length of a side.
:
Let x = the two equal sides a & b
x^2 + x^2 = 18^2
2x^2 = 324
x^2 = {{{324/2}}}
x^2 = 162
x = {{{sqrt(162)}}}
x ~ 12.728
:
:
Check on a calc: enter {{{sqrt(12.728^2 + 12.728^2)}}} = 18.000