Hello there! :)
We are given that these figures are similar.
It means that the sides are proportional. So
[tex]\frac{4}{6} =\frac{6}{x}[/tex]
Cross-multiply:
4x=36
Divide both sides by 4 to isolate x:
x=9 cm
Hope this helps!
~Just a gloomy teen who misses her best friend
[tex]GraceRosalia :-([/tex]
