Answer:
Step-by-step explanation:
we know that
Area of a circle is equal to
A=pi* r^{2}
where
r is the radius
in this problem we have that
A=50 m^{2}
A=pi* r^{2} \\ r= \sqrt{A/pi} \\ r= \sqrt{50/pi}
r=4 m
we know that
the diameter is two times the radius
so
D=2r \\ D=2*4 \\ D=8 m
