將長度和角度精度設(shè)置為小數(shù)點后四位,繪制以下圖形,求剖面線區(qū)域面積。()
A.2743.2210 B.2743.1470 C.2743.2417 D.2743.3526
A.313.1542 B.313.4152 C.313.5142 D.313.5038