A 28 B 712 C 6 D 54 DR SolutionC is the correct ans Given D

A. 28

B. 7/12

C. 6

D. 54

Solution

C is the correct ans

Given ; DF bisect angle EDG so

angle EDF=angle FDG=28 degree

and FD=FD so

sin28= 5x+24/FD

sin28=9x/FD

5x+24/FD=9x/FD

or 5x+24=9x

9x-5x=24

4x=24

x=24/4

x=6