结果1 结果2 结果3 结果4 结果5 题目【题目】Point P has coordinates (-4,-2) and point Q has coordinates (4, 3).Calculate the shortest distance between P and Q.Give your answer to 1 decimal place.cm grid 相关知识点: 试题来源:
25 Point A has the coordinates (4, 2) with respect to the origin O.(a)Calculate the angle, in degrees to 1 decimal place, that O A makes with the positive x-axis. 相关知识点: 试题来源: 解析 tanα=2/4α=26.6°(awrt) 反馈 收藏 ...
C图OPQR为正方形.点O是原点,点Q坐标是(2,2).要使三角形PQT的面积等于正方形OPQR的面积,T的坐标是什么?正方形OPQR的面积是22=4.△PQT的面积是12bh=12⋅PT⋅PQ.如果我们将面积设为相等,则△PQT的面积为4.另外,请注意PQ=2,代入这些,我们得到:4=12⋅PT⋅2PT=4如果PT=4,PO=2,则OT=2,T...
Answer to: The point P has Cartesian coordinates (\sqrt{2}, 1, 1). Find: a) The cylindrical coordinates of P b) The spherical coordinates of P...
-105The line I has equation r20+4and the point P has coordinates(70, 30, 22).23The point M is the point on I that is closest to P.Express the position vector m of point M in terms of the parameter 1.Hence find an expression for the vector PM in terms of the parameter 1. 相...
英:[pɔɪnt] 美:[pɔɪnt] point英汉释义 n.(名词) [C]要点,论点,观点thing said as part of a discussion [C]尖端,尖儿sharp or tapered end of sth; tip [C]点; 小数点thing that has position but no size, e.g. the place where two lines cross; any dot used in writing or ...
百度试题 结果1 题目In the figure above, ABCD is a square. What are the coordinates of point B?A. (-4,2) B. (-2,4) C. (-2,6) D. (4,-6) E. (6,-2) 相关知识点: 试题来源: 解析 C 反馈 收藏
A. (2, -4) B. (-2, 4) C. (-2, -4) D. (4, 2) 相关知识点: 试题来源: 解析 A。当点关于 x 轴对称时,横坐标不变,纵坐标变为相反数。所以(2, 4)关于 x 轴对称的点是(2, -4)。反馈 收藏
1. a geometric element that has position but no extension; "apointis defined by its coordinates" 2. the precise location of something; a spatially limited location; "she walked to apointwhere she could survey the whole street" 3. a brief version of the essential meaning of something; ...
2 The distance between two towns P and Qis 2 km. On a coordinate system, town P has coordinates (x, 7) and has coordinates (3,5). The values of the coordinates are given in kilometres. Find the value of x. 4 A fountain has a circul...