An angle is formed when two rays are joined at their endpoints. Angles are usually measured in degrees. Learn all types of Angles in Geometry with interesting concepts, solved examples, interactive worksheets & solutions with Cuemath
解析 145The smaller angle between the number 12 and the minute hand is 10×6∘=60∘;The smaller angle between the number 12 and the hour hand is 3×30∘−1060×30∘=90∘−5∘=85∘;60∘+85∘=145∘. 结果一 题目 What is the acute angle between the hands of a ...
a straight angle None of these Conclusion An acute angle is an angle that is less than 90°, and these angles can be measured using a protractor. In this lesson, we have learned about acute angles in a creative way. Discover and learn more interesting math topics atSplashLearn. ...
If an angle measures 180 degrees, what is it? A. Acute angle B. Right angle C. Obtuse angle D. Straight angle 相关知识点: 试题来源: 解析 D。180 度的角是平角,选 D。选项 A 锐角小于 90 度,选项 B 直角是 90 度,选项 C 钝角大于 90 度小于 180 度。
In a right triangle, if one acute angle measures 30 degrees, what is the measure of the other acute angle? A. 30 degrees B. 45 degrees C. 60 degrees D. 90 degrees 相关知识点: 试题来源: 解析 C。在直角三角形中,两个锐角之和为 90 度。已知一个锐角为 30 度,所以另一个锐角为 90...
把时钟想象成一个圆圈.分针将在一小时后20分钟的4点钟.在4和5之间形成的圆心角是30度(为它是一个完整圆的112,即360度).到4:20时,时针从4移动了13到5因为2060可以约为13.从4到5的13是30度的13,也就是比4大10度.记一下分针在4号,所以它们之间的夹角是10,做完了.反馈...
The minute hand will be at the at minutes past the hour. The central angle formed between and is degrees (since it is of a full circle, ). By , the hour hand would have moved way from to since is reducible to . One third of the way from to is one third of degrees, which ...
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!
10、 连续数例 1:In an increasing sequence of 10 consecutive integers, the sum of the first 5 integers is 560. What is the sum of the last 5 integers in the sequence?(A) 585 (B) 580 (C )575 (D)570 (E) 565例 2:If n is an integer greater than 6, which of the following mus...
What is a pyramid in math? Learn the definition of a pyramid, types of pyramids, surface area and volume of pyramids, and worked-out examples of pyramid math. Related to this Question In what shape are the lateral faces of a pyramid?