Answer:
d
Step-by-step explanation:
C is the awnser I believe correct me if I’m wrong
It is given in the question that

And 
can also be written as

Therefore,


That gives,

Area = πr²
50 = πr²
r = √50/π
so diameter = 2√50/π
which is = 7.98m to 3sf
Answer:
what's the question, what is it asking for??