按照圖畫出所示圖形,求剖面線區(qū)域的面積。()
A.1067.3530 B.1067.3435 C.1067.3345 D.1067.3350
按照圖畫出所示圖形,求角度A的數(shù)值。()
A.55.9180 B.55.9801 C.55.9108 D.55.9081
按照圖畫出所示圖形,求AB兩點之間的距離。()
A.58.5351 B.58.5315 C.58.5531 D.58.5135