Question

Please help thank you.

Answer 1

Hello!

To solve this we use the equation sin60 = (s/2) / (d/2)

s is a side of the triangle
d is the diameter

sin60 = s/d


`√(3/4) =s/d`


`d=s/ √(3/4)`


`d = s √(4/3)`


`d = 2s/ √(3)`

put 6 in for s


`d=12/ √(3)`


`d = √(48)`

d = 6.9

The answer is C) 6.9

Hope this helps!