Measuring Angles: Angles with measures more than 360 DegreesThis lesson will help students explore angles that are more than 360 degrees, or less than -360 degrees.Tom De Vries
If a triangle has angles measuring 30 degrees, 60 degrees, and x degrees, what is the value of x?相关知识点: 试题来源: 解析 90 根据三角形内角和定理,任意三角形的三个内角之和必须等于180度。题目中已给出的两个角分别是30度和60度,设第三个角为x度。计算步骤如下:1. 将已知的两个角度相加:...
then, you can drog the protractor or add pushpins to figure out the degrees of angles, upload file only accept image file, formats (jpg,jpeg,gif,png) In the control panel, if the background color is close to the protractor, and it's not easy to distinguish, you can change a ...
Use this formula to calculate the height of the building: Height = ( tan(angle) x distance ) + eye height For example, given a building distance of 25 meters, an angle of 37 degrees, and an eye height of 1.75 meters, the formula would be:...
A triangle has angles measuring 30 degrees, 60 degrees and ___ degrees. A. 70 B. 80 C. 90 D. 100 相关知识点: 试题来源: 解析 C。三角形内角和是 180 度,已知两个角分别是 30 度和 60 度,所以第三个角是 180 减去 30 再减去 60 等于 90 度,选 C。A、B、D 选项的角度值都不符合三...
34 degrees. 70 degrees. 172 degrees. 2. Multiple Choice 1 min 1 pt What is the measure of the following angle? 56 degrees. 180 degrees. 142 degrees. 97 degrees. 3. Multiple Choice 1 min 1 pt What is the measure of the following angle? 78 degrees. 11 degrees. 190 degrees....
A triangle has angles measuring 30 degrees, 60 degrees, and 90 degrees. What is the ratio of the sides opposite these angles? A. 1:2:3 B. 1:√3:2 C. 2:1:√3 相关知识点: 试题来源: 解析 B。在 30-60-90 度的直角三角形中,边长比为 1:√3:2。
Main Lesson: Measuring Angles A circle is a round figure made by points that are all the same distance from the figure’s center point. A circle contains 360 equal sections. Using the unit of measurement one “degree” for each section, we say that the circle has 360 degrees. The symbol...
Definition of the Topic A reflex angle is any angle greater than 180° but less than 360°. For example, 240°, 270°, and 330° are reflex angles. There is a reflex angle for every acute or obtuse angle. Key Concepts Degree Measurement:Angles are measured in degrees. ...
A triangle with angles measuring 60 degrees, 60 degrees, and 60 degrees is? A. equilateral triangle B. isosceles triangle C. right triangle 相关知识点: 试题来源: 解析 A。三个角都是 60 度的三角形是等边三角形,isosceles triangle 是等腰三角形,right triangle 是直角三角形。反馈 收藏 ...