單項選擇題
按照圖畫出所示圖形,求剖面線區(qū)域的面積。()
A.1912.6755 B.1912.6575 C.1912.6557 D.1912.7655
A.609.2406 B.609.2064 C.609.2046 D.609.2604
按照圖畫出所示圖形,求陰影區(qū)域的面積。()
A.2402.5055 B.2402.0555 C.2402.5505 D.2402.5550
A.1029.7229 B.1029.2729 C.1029.7292 D.1029.7922
A.799.0126 B.799.0621 C.799.0162 D.799.0612
A.2494.5075 B.2494.0557 C.2494.0575 D.2494.0755
A.1743.9013 B.1743.9010 C.1743.9031 D.1743.9103
按照圖畫出所示圖形,求尺寸A的數(shù)值。()
A.76.6994 B.76.6949 C.76.6499 D.76.4996
A.15672.3682 B.15672.3268 C.15672.3286 D.15672.3826
A.2062.8335 B.2062.8331 C.2062.8353 D.2062.8313
按照圖畫出所示圖形,求視圖上紅色區(qū)域的面積。()
A.434.5036 B.434.5063 C.434.5306 D.434.5360