Hey, I need help solving these. I am currently in geometry and the current unit i am on is called:Chapter 10 Circles. Please show your work when sovling! Thanks -emma

Write the equation of the circle. (x- +(x- 2)2 + (+4) 2 =49 Give the radius and center of the circle. Center= Radius=In a circle with diameter 20 cm, find the measure of the arc created by a chord 6 cm long. (Round answer to the nearest tenth.) measure of the arc=