垂线perpendicular line[͵pə:pən'dikjulə]adj.n.(与另一线或面)成直角的,垂直的, 正交的(to)直立的, 与水平线成直角的, 陡峭的 垂足foot of a perpendicular 5.2平行线 ___平行线 平行parallel['pærəlel]n.a.v. ___直线平行的条件 5.3平行线...
Angles (Between Parallels)ParallelLines AnglesBetweenParallellines.Drawapairofparallellineswithatransversalandmeasurethe8angles.Transversal Parallellinesremainthesamedistanceapart.Verticallyoppositeanglesareequal.Correspondinganglesareequal.vert.opp.scorr.s AnglesBetweenParallellines Drawapairofparallellineswithatransversal...
Answer: A transversal is a line, like the red one below, that intersects two other lines. Typically, the intercepted lines like line a and line b shown above above are parallel, but they do not have to be. What is so special about a transversal? Answer: When a transversal cuts (or...
Areanglesbetween180°and360° NamingAngles -Wheretheraysmeet(vertex)givesthemiddleletteroftheanglename e.g.Namethefollowingangles a)C b)X B ABCorCBA XYZorZYX AMeasuringAngles e.g.Measurethefollowingangles Y Z Makesureyoureadfromthescalestartingfrom0ontheline!a)b)X C BABC=43° Y Z A ...
The meaning of ANGLE is a corner whether constituting a projecting part or a partially enclosed space. How to use angle in a sentence.
Two lines in the same plane that do not intersect are calledparallel lines. The figure below shows two lines, and that are parallel, denoted by The two lines are intersected by a third line, forming eight angles. Note that four of the angles have the measurex°, and the remaining four...
Two lines are parallel. Another line intersects them. ___, the corresponding angles are equal. A. So B. But C. Or D. And 相关知识点: 试题来源: 解析 A。“So”在这里表示所以,根据平行线的性质,两直线平行被第三条直线所截,对应角相等。“But”转折错误。“Or”或者不合适。“And”连接并列...
A line is a straight one-dimensional figure that has no endpoints. In other words, it goes on forever in both directions. Lines are usually represented by arrows in mathematical diagrams to show that they go on forever. There are two types of lines that you should know about: parallel line...
Inductively Modeling Parallel, Normal, and Frictional Forces This year, instead of resolving the weight mg of an object resting on an incline into force components parallel and perpendicular to the surface of the inc... Wyrembeck,P Edward - 《Physics Teacher》 被引量: 2发表: 2005年 Robustness...
When a line intersects a pair of parallel lines corresponding angles are formed. Corresponding angles are equal to each other. One way to find the corresponding angles is to draw a letter F on the diagram. The F can also be facing backwards. In the above diagram, ∠d and ∠h are corres...