Question

Triangle abc is similar to triangle def. which proportion can be used to find the length of DE on centimeters (please leave a small explanation)

Answer 1

Answer:=

Its A = 4/3=DE/9

Explanation:

Answer 2

Answer: DE=12

Explanation:

ABC similar to DEF

That means that AB corresponds to DE , AC to DF and BC to EF

So AB/DE=AC/DF=BC/EF=5/15=3/9=1/3

So 4/DE=1/3

=>DE=12