The unit circle is not a function. If we restrict ourselves to the semicircle that lies in quadrants Ⅰ and Ⅱ, the graph represents a function, but it is not a one-to-one function. If we further restrict ourselves to the quarter circle lying in quadrant Ⅰ, the graph does represent a...
结果1 题目A circle is also called a(n) ___. A. oval B. round C. square D. triangle 相关知识点: 试题来源: 解析 B。circle 也可以被称为 round,round 表示圆形的;oval 是椭圆形;square 是正方形;triangle 是三角形。反馈 收藏
Is a circle like a ball？一个圆圈像一只球吗？No，it isn't.
网络它是一个圆;是一个圆圈;它是圆形 网络释义
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The area of a circle is calculated using the formula ___. A. πr² B. 2πr C. πd D. 4πr² 相关知识点: 试题来源: 解析 A。“πr²”是圆的面积公式;“2πr”是圆的周长公式;“πd”也是圆的周长公式(d 是直径);“4πr²”不是圆的常用公式。反馈 收藏 ...
A. square B. triangle C. rectangle D. all of the above 相关知识点: 试题来源: 解析 D。解析:circle 和 square、triangle、rectangle 都不同,square 有四条边和四个角,triangle 有三条边和三个角,rectangle 有四条边和四个角,circle 是 round and smooth 没有角和直的边。反馈...
why circle isnot a function,why ellipse isnot a function, 只看楼主 收藏 回复求解equation 门外徘徊 1 can you conclude the geometry ,algebra of the mathmatical analyze () 我像2b一样傻笑 麻秋先生 8 英语常 不及格 。 WHY 就是为什么的意思 这个我知道 - - 1ost_p 麻秋先生 8 你...
An ___ is like a circle, but wider in one direction than the other. A. square B. oval C. triangle D. oblong 相关知识点: 试题来源: 解析 B 正确答案:B 解析:考查名词词义辨析。square“正方形”;oval“椭圆”;triangle“三角形”;oblong“长方形”。根据空格后的“像圆,但在一个方向比另一...
A circle is a two-dimensional closed figure that has no edges or corners. Learn the definition of circle, different parts of circle, solved examples and more.