單項(xiàng)選擇題

將長度和角度精度設(shè)置為小數(shù)點(diǎn)后三位,繪制以下圖形,陰影面積及周長?()

A.4087.879,289.332
B.4049.473,298.379
C.4048,276.332
D.4044,298.379


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1.單項(xiàng)選擇題

將長度和角度精度設(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)

4.單項(xiàng)選擇題

將長度和角度精度設(shè)置為小數(shù)點(diǎn)后三位,繪制以下圖形,A點(diǎn)坐標(biāo)?()

A.(249.246,100)
B.(274.246,90.478)
C.(263.246,100)
D.(269.246,109.478)