It is the first one I believe
Answer:
T^2=4π^2*L/G
L=(T^2*G)/4π^2
Step-by-step explanation:
hope this helps
A.
Circumference = π * diameter or
π * 2*radius (diameter = 2 * radius).
So you would divide by π to get the diameter, then divide by 2 to get the radius. So A.
Answer:
101
Step-by-step explanation: it is before 111 and after 91
