A. equilateral triangle B. isosceles triangle C. right triangle D. obtuse triangle 相关知识点: 试题来源: 解析 A。三条边都相等的三角形是等边三角形。isosceles triangle(等腰三角形)有两条边相等;right triangle(直角三角形)有一个直角;obtuse triangle(钝角三角形)有一个钝角。反馈 收藏 ...
5If a triangle has 3 equal sides, it is called a regular or an equilateral triangle.Complete the statements.ci a) ∠ A = ∠ B |=∠ C ; A B ⊥ CD ; AD=DB b) Any equilateral triangle is an isosceles triangle.M c) An equilateral triangle has 3 lines of symmetry.A Bd) D C i...
A triangle is a three-sided polygon. It has three sides and three angles. The three sides and three angles share an important relationship. In Mathematics, the term “inequality” represents the meaning “not equal”. Let us consider a simple example if the expressions in the equations are ...
Define right triangle. right triangle synonyms, right triangle pronunciation, right triangle translation, English dictionary definition of right triangle. n US and Canadian a triangle one angle of which is a right angle. Also called : right-angled triang
同义表达1:regular triangle 说明/解释:这个词也用来描述所有边和角都相等的三角形,即等边三角形。 同义表达2:equiangular triangle 说明/解释:这个词指的是所有角都相等的三角形,由于三角形内角和为180度,因此等角三角形也必然是等边三角形。 同义表达3:triangle with three equal si...
In geometry, if a triangle has three equal sides, it must be an equilateral triangle. This statement shows a(n) ___ relationship. A. necessary but not sufficient B. sufficient but not necessary C. both necessary and sufficient D. neither necessary nor sufficient ...
A triangle with three equal sides is called an ___ triangle. A. equilateral B. isosceles C. right D. obtuse 相关知识点: 试题来源: 解析 A。有三条相等边的三角形叫做等边三角形。B 选项“isosceles”是等腰三角形;C 选项“right”是直角三角形;D 选项“obtuse”是钝角三角形。反馈...
Pat then asked the class if anyone made a triangle with sides of 1, 1 and 18 matchsticks. The 20 matchstick triangle challenge; an activity to foster reasoning and problem solving The Philippines, being at the apex of the Coral Triangle, is a partner-nation of the Coral Triangle Initiative...
Triangles may be classified on the basis of either their side length or lengths or their interior angle measurements. The names based on side length include equilateral triangles, which have three sides of equal length; isosceles triangles, which have only two sides of equal length; and scalene ...
This regular triangle has all sides equal, so the formula for the perimeter is: perimeter = 3 × a How to find the radius of the circle circumscribing the three vertices and the inscribed circle radius? circumcircle radius = 2 × h / 3 = a ×√3 / 3. incircle radius = h / 3 =...