按照圖畫出所示圖形,求求尺寸L的數(shù)值。()

A.35.8929
B.35.8992
C.35.8299
D.35.9882
按照圖畫出所示圖形,求剖面線區(qū)域的面積。()

A.30152.0943
B.30152.0934
C.30152.0394
D.30152.0493
按照圖畫出所示圖形,求剖面線區(qū)域的面積。()
A.106.3382
B.106.3823
C.106.3283
D.106.3832