Question

WILL GIVE FAN AND MEDAL!!
Sam is building an enclosure with recycled cardboard for his collection of model cars. His design is as shown below:
What is the length of side AF in inches?
A.12
B. 24
C. 30
D. 42

Answer 1

Because they are in similar, you can use a proportion.\[\frac{ 6 }{ 36 }=\frac{ 5 }{ x }\]

Answer 2

So do i divide or multiply? :/

Answer 3

You can multiply across.