A circle is rotated 90 degrees. What is it now? A. An ellipse. B. A square. C. Still a circle. D. A rectangle. 相关知识点: 试题来源: 解析 C。本题考查图形旋转后的变化。一个圆旋转 90 度后仍然是一个圆。A 选项椭圆错误;B 选项正方形错误;D 选项长方形错误。
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What is the diameter of a circle? What is the diameter of the circle 4x^2 + 4y^2 + 24y - 4x - 35 = 0? How many degrees in a half circle? What is a chord of a circle? A circle has a center at (8, 2). The point (3, 7) is on the circle. What is the area of the...
a Hexagon or Dodecagon is even more careless of the wife's pedigree; but a Circle has been known deliberately to take a wife who has had an Irregular Great-Grandfather, and all because of some slight superiority of lustre, or because of the charms of a low voice -- which, with us, ...
athat is how there cane to be 360 degrees in a circle 那是多么那里是藤茎360度在圈子 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语翻译 希腊语翻译 51La ...
Then an unexpected development furnished them with more substantial food.Mokoum,to collect a larger quantity of these insects,broke down one side of the ant-hill.This was a conical hillock,flanked by smaller cones in a circle round its base.The hunter had struck it several blows with his axe...
Circumference of the circle is defined as the linear length of the circle. The circumference is also known as the special case of the perimeter. The formula to calculate the circumference of the circle is as follows, C=2πr Here, the radius of circle is r....
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To work out the distance between the points you need to decide how many points are required around the circle (circumference). For this explanation I will use 8 points and we know a circle has 360 degrees as seen on a compass therefore divide 360 degrees by 8 points as so: 360...