6. the name is circle x (due to the central point) 7. the diameter is segment WY 8. radius is 1/2 of the diameter so 1/2(15) = 7.5 meters 9. diameter is 2 times the radius so 2(4) = 8 cm 10. segment XW, segment XZ, segment XY 11. arc YW, arc WZ, arc ZY
