A.338.35 B.83.15 C.372.59 D.69.45
A.(193.74,73.74) B.(193.74,75.74) C.(75.74,193.74) D.(222.05,135.46)
如圖所示,粗線區(qū)域周長為?()
A.299.0001 B.298.9949 C.298.9948 D.298.9947