选项 A 中 all sides are equal(四条边相等)和 all angles are acute(四个角都是锐角)不符合长方形特征;选项 C 中 all sides are different(四条边不同)和 all angles are obtuse(四个角都是钝角)不符合;选项 D 中 all sides are parallel(四条边平行)和 all angles are reflex(四个角都是优角)也...
The shape has four sides. All sides are equal and all angles are right angles. What is it? A. square B. rectangle C. trapezoid 相关知识点: 试题来源: 解析 A。正方形四条边相等且四个角都是直角,长方形对边相等且四个角是直角,梯形有一组对边平行。
A shape with four sides and all sides are equal in length. What's it? A. rectangle B. rhombus C. square D. pentagon 相关知识点: 试题来源: 解析 C。一个有四条边且所有边长度相等的形状是正方形。选项 A 长方形对边相等但不一定四条边都相等;选项 B 菱形四条边相等但角不一定相等;选项 D ...
C. All sides are unequal and all angles are obtuse. D. All sides are parallel and all angles are reflex. 相关知识点: 试题来源: 解析 A。本题考查等边三角形的特征。等边三角形三条边相等且三个角也相等,选项 A 正确。选项 B 中 all sides are different(三条边不同)不符合等边三角形特征,且 ...
A. all sides are equal B. two sides are equal C. no sides are equal D. one side is longer than the others 相关知识点: 试题来源: 解析 A。在几何中,证明一个三角形是等边三角形需要展示所有边都相等,选项 A 正确。选项 B 是等腰三角形的特征;选项 C 不是任何特殊三角形的特征;选项 D 也不...
There are two sides to every story, or so we are told. Two people in an argument aren’t going to see an issue the same way. And people on different ends of the political spectrum are going to have different opinions about the events that take place in the news.Getting...
To answer the question, we need to fill in the blank regarding the properties of a regular polygon. 1. Understanding Regular Polygons: A regular polygon is defined by having all sides of equal length. This means that if you mea
An equilateral triangleor aregular triangleis a triangle where all sides are equal. An equilateral triangle has all the angles equal to 60°. In the picture, we determined the sides asa,b,cwherea = b = c. The angles marked asα,β,γwhereα = β = γ = 60°. Same angles are mar...
The two sides of his brain were not normally together. The right side of his could not communicate with the left. At the age of three it was for him to walk speak and play. He could only echo (重复) back a few words and walked while someone held each of his hands. Then came the...
(2008). "As soon as the four sides are all equal, then the angles must be 90°". Children's misconceptions in geometry. African Journal of Research in Science, Mathematics & Technology Education, 12(2), 47 - 66Atebe, H. U., & Schafer, M. (2008). `As soon as the four sides ...