Question

In △DEF, what is the length of DF
A) 90
B) 45 square root 2
C) 15 square root 3
D) 30 square root 3

Answer 1

h=45sin60

Answer 2

i dont get how to do it????

Answer 3

sin60 = DE/DF

DF = 45/sin60 = 45/(√3/3) = 135/√3 = 135√3/3 = 45√3

Answer 4

i give up some one just give me the damn answer

Answer 5

@hoblos got it.
its \[45\sqrt{3}\]

Answer 6

thanks