Question

Double check this please.
In △DEF, what is the length of DF?

Answer 1

Answer choices are:
90
\[45\sqrt{2}\]
\[15\sqrt{3}\]
\[30\sqrt{3}\]

Answer 2

My answer choice is the last answer, is that correct?

Answer 3

you are right :)

Answer 4

Thank you so much.