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)

Question

asked Mar 1, 2021 126k views

2 Answers

Roy Lin · Answer 1 · 2021-03-07T21:45:06+0000

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