Question

The pair of polygons are similar. Find the value of x.

Answer 1

so, kali999,
with the big polygon side of 15, what is the value of the same side but on the smaller polygon?

Answer 2

10.

Answer 3

yep,
so we set up a 'ratio'
looking at the big polygon we have
60:15

looking at the smaller polygon we have:
x:10

see how the the 15 and the 10 are both to the right of the :

Answer 4

i remember how to do it now. just got stuck. its 40. :)

Answer 5

60:15 becomes
60/15

x:10 becomes
x/10