You get imaginary roots for this equation.
x=4-5i
x=4+5i
Umm..... according to what I know <span> </span><span>The ratio of the sides of a 30°-60°-90° triangle are:
short leg : long leg : hypotenuse
1 : √3 : 2
</span><span> if the short leg is 7, the long leg is √3 times that:
Answer:
7√3 ≈ 12.12 inches </span>