Center (horizontal) - (0, 0), Vertices (horizontal) - (a, 0) & (-a, 0), Co-vertices (horizontal) - (0, b) & (0, -b), foci (horizontal) - (c, 0) & (-c, 0), vertices (vertical) - (0, a) & (0, -a), co-vertices (vertical) - (b, 0) & (-b, 0), foci (vertical) - (0, c) & (0, -c),

Ellipse centered at the origin

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?