Question

△DEF ~ △GHI. The length of DF is 15 m. The length of HI is 19 m. The length of GI is 13m. What is the length of EF? Round your answer to the nearest tenth

Answer 1

21.9

Explanation:

Similarity Theorem

15/13=x/19

1.15384615=x/19

19*1.15384615=x

21.9230769=x

Final Answer

21.9

Proof answer

15/13=21.9/19

1.2= 1.2