將長(zhǎng)度和角度精度設(shè)置為小數(shù)點(diǎn)后三位,繪制以下圖形,陰影面積及周長(zhǎng)?()
A.4087.879,289.332 B.4049.473,298.379 C.4048,276.332 D.4044,298.379
將長(zhǎng)度和角度精度設(shè)置為小數(shù)點(diǎn)后三位,繪制以下圖形,A點(diǎn)坐標(biāo)?()
A.(77.597,-68.935) B.(72.500,-60.835) C.(-78.579,67.835) D.(-77.597,68.935)
將長(zhǎng)度和角度精度設(shè)置為小數(shù)點(diǎn)后三位,繪制以下圖形,陰影面積為?()
A.644.791 B.763.479 C.667.256 D.663.791