Answer:
x=6
Step-by-step explanation:
[tex]5x^2 =180\\x^2 =\frac{180}{5}\\x^2 =36\\\\x=\sqrt{36} \\\\x =6[/tex]
x = 2.683281573
Solve the problem backwards:
5x^2 = 180
sqrt of 180 = 13.41640786 = 5x
13.41640786/5 = 2.683281573
We can test it:
(5(2.683281573))^2 = 180
