Can someone help me solve the problem below the topis is about Conic section Circle

Problem: The City Engineer is planning to build a new circular playground with a diameter of 120 meters. Instead of cutting up the tree, they decided to use it as a reference point for the playground. A.) If the entrance gate is at (6, -60) and the exit gate is at its opposite point (6,60), where is the tree located?

B.)What is the equation that describes the circular playground?

c.) How long is the fencing needed to keep the children inside the circle? Use 3.14 for .

d.)If a child is sitting in a bench located at (40, 30), is he still seated inside the circular playground?

e.)How much larger does the new playground is, if the old one has a total area of 5,850.5 cm?