將長度和角度精度設(shè)置為小數(shù)點后三位,繪制以下圖形,B點坐標()。
A.(-68.421,40.816) B.(-62.421,44.816) C.(62.421,-44.816) D.(-67.441,-42.516)
將長度精度設(shè)置為小數(shù)點后三位,繪制以下圖形,中點D點坐標為:()。
A.(90.5,82.5) B.(78.5,62.6) C.(99.5,88.7) D.(94.5,83.8)
將長度和角度精度設(shè)置為小數(shù)點后三位,繪制以下圖形,陰影部分面積和周長為:()。
A.40237.467,730.484 B.41233.467,780.484 C.40231.467,720.484 D.40241.467,729.484