Answer:
Trigonometry Ratio:
Sin65°=v/15
v=15 sin65°
v=13.6°
Sinw°=v/21
= 13.6/21
w=sin^{-1}(13.6/21)
w=40.3°
Hope it helps! :)
Answer:F is a unknown number
Step-by-step explanation:Isolate the variable
Step-by-step explanation:
4/5 (b +9)
4/5×b + 4/5×9
4b/5 + 36/5
4b/5 + 72/10
4b/5 + 7.2
