the two triangles are similar. what is the value of x. Be sure to explain your steps 10 inches 4 inches and 20 inches x inches

I'm not sure how to find X

3 answers

looks like 20/10 * 4 inches, or 8 inches.

ratiolegs=ratiolegs
20/10=x/4
80/10=x
is it right....?
SHEESH