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,求圖形圍成的區(qū)域的面積。()
A.1814.2641 B.1814.2462 C.1814.2264 D.1814.2614
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)域的面積。()
A.8378.4385 B.8378.4538 C.8378.5438 D.8378.4358
A.5756.1863 B.5756.1683 C.5756.1386 D.5756.1836