Question

Please help! Will give medal!!

Find FG.
(attachment in replies)
A.4
B.12
C.15
D.19

Answer 1

well start by finding th value of n...

and from the diagram you know

Ef = FG

so 3n + 3 = 19 - n

solve for n

when you know n, use it to calculate FG

the to find FD use the sin ratio

sin(20) = FG/FD

or

FD = FG/sin(20)

hope it helps

Answer 2

Thank you!