Patrick B. answered 02/07/21
Math and computer tutor/teacher
You need the measures of all 3 sides..
HF = 3 is given
--------------------------------------------
sin 50 = FG/ 3
FG = 3 * sin 50
= 2.2981333293569341056071779516663
----------------------------------
cos 50 = GH/3
3 * cos 50 = GH
= 1.9283628290596179789679302297218
Add them up (the bolded) to find your answer