Question

how to find the scale factor of contraction

Answer 1

what's your equation?

Answer 2

@pgpilot326

Answer 3

so what do you have here?

Answer 4

no idea im stupid

Answer 5

keep telling yourself that and you may confince yourself and others that you're right!

however, I don't believe that... look at the pic. do you see 2 triangles?

Answer 6

i do

Answer 7

okay, does it make sense that they are similar? (you could actually prove it)

Answer 8

yeah arent the angles exactly the same

Answer 9

yes. so because they're similar, we can set up ratios of corresponding sides

Answer 10

ok now im confused

Answer 11

do i divide AN by RI

Answer 12

yep...\[\text{scale factor}=\frac{ AN }{ RI }\]

Answer 13

so i divide it? orrrrrrrrrrrr do i just put it as 6/8