What is the angle between hat(i) + hat(j) + hat(k) and hat(j) ? 02:20 If vec(A) + vec(B) +vec(C)=0, "then" vec(A) xx vec(B) is : 02:56 The angle between two vectors 2 hat(i) + 3 hat(j) + hat(k) and - 3 ha... 02:16 Assertion : Vibratory motion is so...
36-An angle is equal to one-fourth of its supplement. What is the measure of that angle? B A. 28 B. 36 C.45 D. 60 相关知识点: 试题来源: 解析 B36- Choice B is correctThe sum of supplement angles is 180 . Let be that angle. Therefore, , divide both sides by ...
An angle is formed by two rays with a common endpoint. What's the English for “angle”? A. line B. line segment C. ray D. angle 相关知识点: 试题来源: 解析 D。A 选项“line”是直线;B 选项“line segment”是线段;C 选项“ray”是射线。只有 D 选项是“angle”角。本题考查几何图...
Learn how the orientation and angle of your solar panels can affect just how much electricity they'll produce for you.
Earth is the planet of life. Running, crawling or flying, life abounds everywhere.地球是一个满是生命的星球。奔跑着的、爬行着的或飞翔着的，到处都是生命。But for all this beautiful diversity to have proliferated, Earth has had to provide a favourable environment for around four billion years. ...
In a triangle, one angle is 60 degrees and another angle is 30 degrees. What is the measure of the third angle? A. 90 degrees B. 120 degrees C. 70 degrees D. 80 degrees 相关知识点: 试题来源: 解析 A。在一个三角形中,三角形的内角和是 180 度。已知两个角分别是 60 度和 30 度...
In a triangle, one angle is 60 degrees and another angle is 40 degrees. What is the measure of the third angle? A. 60 degrees B. 80 degrees C. 100 degrees D. 120 degrees 相关知识点: 试题来源: 解析 B。在一个三角形中,三个角的度数之和为 180 度。已知两个角分别为 60 度和 40 ...
1. He worries morethan is necessary.(《牛津用法指南》的例句) 2. In fact, compared to hundreds of millions of people around the world, everyone here has morethan what is necessary.(From Every Angle, 2000, p.207). 在句1中,worries为不及物动词, more than is necessary可以理解为:more than...
An angle is a geometrical figure formed when two rays meet at a common point called vertex. Let's know about angles, their parts, types, construction using examples!