Respuesta :

Answer: 6.9

Step-by-step explanation:

You do cos-1(4/8) in your Calculator and get 60

Then you take that and put sin(60)x8 into your Calculator and you get 6.9282….. aka 6.9

pabitrau826

Answer:

6.9

Step-by-step explanation:

according to pythagoras theram

h²=p²+b²

8²=4²+b²

64=16- b²

b²=64-16

b²=48

b=✓48

b=6.9