Question

help!!! How do i answer questions like these!
2. The pair of polygons is similar. Find the value of x.
(i'll post the picture in a sec)

Answer 1

find the scal factor

Answer 2

yes, but how?

Answer 3

scale factor = ratio of any two corresponding sides

Answer 4

can u identify the corresponding sides here ?

Answer 5

if u observe, 30 is becoming 12,

so scale factor = ?

Answer 6

...30/12